2001 BUFFALO, NEW YORK (BUF)



The Niagara Frontier experiences a fairly hunid, continental type climate, but with a definite "maritime" flavor due to a strong modification from the Great Lakes (especially Lake Erie). Buffalo's weather repution is highly exaggerated, and due mainly to its propensity for localized heavy Lake–effect snowstorms in late fall and early winter. Summers, on the other hand, are among the most pleasant in the Northeast.

Winters in general are cloudy, cold and snowy…but are changeable and include frequent thaws and rain as well. Snow covers the ground more often than not from Christmas into early March…but periods of bare ground are not uncommon. Over half of the annual snowfall comes from "Lake–effect" process and is very localized. This feature develops when cold air crosses the warmer lake waters and becomes saturated..creating clouds and precipitation downwind. The exact location of these snowbands are determined by the direction of the wind. Areas south of Buffalo derive much more snow from this process than the more densely populated northern suburbs. This snow machine can start as early as mid–November, peaks in December, then virtually shuts down after Lake Erie freezes in mid to late January. The Buffalo area is not subject to heavy general or "synoptic" snowstorms. Most of them pass by to the east. Total season snowfall ranges from about 60 inches in the far northern suburbs to 80–90 inches in the city and eastern suburbs to as much as 120 inches south of the city. The lakes do modify any extreme cold as the mercury falls below zero on only about four nights in an average winter…with anything below –10 extremely rare.

Spring comes slowly to the Niagara Frontier. The ice pack in lake Erie does not usually disappear until mid–April and the Lake remains chilly through most of May. As the prevailing flow is southwesterly, areas near the lake are often as much as 20 degrees colder than inland locations. Conversely, the cool Lake acts as a strong stabilizing influence so areas near the city and lakeshore experience fewer thunderstorms and more sunshine then inland areas in spring. The slow start to the growing season also diminishes the threat of damaging late season frosts. The average date of the last frost is around April 30 in the metro area…but mid–May well inland.

Summer is beautiful in the Buffalo area. Sunshine is plentiful, temperature are warm but seldom hot, and humidity levels moderate. Rainfall is adequate, but does show an overnight maximum and seldom is a problem for outdoor activities. The stabilizing effect of Lake Erie continues to inhibit thunderstorms and ehance sunshine in the immediate Buffalo area..at least through most of July. It also moderates most extreme heat approaching from the Ohio Valley. There usually are several periods of uncomfortably warm and muggy weather in an average summer…but 90–degree readings are relatively rare (only 3 per year). August usually turns a bit more humid and showery as the Lake is warmer and loses its stabilizing influence. In fact, a good nighttime thunderstorm or two is often a feature of late summmer in Buffalo. Overall though…Buffalo has the sunniest and driest summers of any major city in the Northeast.

Autumn is pleasant, but rather brief. September is usually very tame, and much of October as well. The first frosts can be expected in late September over interior sections, but not until mid–October in the metro area. The warm lake can extend the growing season into early November during some years close to the Lakeshore. The growing season is relatively long for the latitude…about 180 days…and is conducive to the many Fruit orchards and wineries, especially near Lake Ontario and along the Lake Erie shore. Cold air surges from Canada become more common starting in late October…with their passage over the warmer Great Lakes resulting in a drastic increase in cloud cover in late October and early November as the Lake–effect season begins. The first measurable snows can be expected in mid to late November, but ground cover is only sporadic until mid December. Many of Buffalo's greatest snowstorms however, have occurred in late November and early December, all due to the Lake effect phenomenon.

NORMALS, MEANS, AND EXTREMES

BUFFALO, NY (BUF)

LATITUDE:    LONGITUDE:     ELEVATION (FT):    TIME ZONE:    WBAN: 14733

42 56′ 27″ N  78 44′ 09″ W  GRND:  714  BARO: � A0;717  EASTERN (UTC + 5)

2001 Buffalo, New York (BUF)

ELEMENT POR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC YEAR
TEMPERATURE F NORMAL DAILY MAXIMUM 30 30.2 31.6 41.7 54.2 66.1 75.3 80.2 77.9 70.8 59.4 47.1 35.3 55.8
MEAN DAILY MAXIMUM 56 31.3 33.0 41.4 54.7 66.3 76.0 80.4 78.7 71.1 60.5 47.4 36.0 56.4
HIGHEST DAILY MAXIMUM 58 72 71 81 94 90 96 97 99 98 87 80 74 99
YEAR OF OCCURRENCE 1950 2000 1945 1990 1991 1988 1995 1948 1953 1951 1961 1982 AUG 1948
MEAN OF EXTREME MAXS. 56 53.1 54.7 67.1 77.1 83.5 88.7 89.9 88.6 85.9 78.1 67.9 56.9 74.3
NORMAL DAILY MINIMUM 30 17.0 17.4 25.9 36.2 47.0 56.5 61.9 60.1 53.0 42.7 33.9 22.9 39.5
MEAN DAILY MINIMUM 56 18.1 18.6 25.9 36.2 46.6 56.5 61.7 60.1 52.7 43.1 33.9 23.5 39.7
LOWEST DAILY MINIMUM 58 -16 -20 -7 12 26 35 43 38 32 20 9 -10 -20
YEAR OF OCCURRENCE 1982 1961 1984 1982 1947 1945 1945 1982 1991 1965 1971 1980 FEB 1961
MEAN OF EXTREME MINS. 56 -.6 0.2 8.0 23.2 33.9 43.4 50.7 47.6 37.6 29.4 18.9 4.2 24.7
NORMAL DRY BULB 30 23.6 24.5 33.8 45.2 56.6 65.9 71.1 69.0 61.9 51.1 40.5 29.1 47.7
MEAN DRY BULB 56 24.7 25.8 33.8 45.4 56.6 66.2 71.1 69.5 61.9 51.8 40.6 29.7 48.1
MEAN WET BULB 18 23.8 24.5 30.6 40.9 51.3 60.0 64.1 63.4 56.7 46.6 37.2 28.1 43.9
MEAN DEW POINT 18 19.0 19.4 24.6 34.5 45.4 55.4 59.6 59.2 52.5 41.6 32.1 23.6 38.9
NORMAL NO. DAYS WITH:
MAXIMUM 90 30 0.0 0.0 0.0 * 0.1 0.6 1.6 0.7 * 0.0 0.0 0.0 3.0
MAXIMUM 32 30 17.5 15.4 7.2 0.6 0.0 0.0 0.0 0.0 0.0 0.0 2.0 12.3 55.0
MINIMUM 32 30 28.6 25.7 23.9 10.5 0.7 0.0 0.0 0.0 * 3.1 13.9 25.9 132.3
MINIMUM 0 30 2.2 1.4 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.6 4.4
H/C NORMAL HEATING DEG. DAYS 30 1283 1134 967 594 279 59 5 17 130 431 735 1113 6747
NORMAL COOLING DEG. DAYS 30 0 0 0 0 19 86 194 141 37 0 0 0 477
RH NORMAL (PERCENT) 30 76 76 73 68 67 69 68 72 74 73 76 78 72
HOUR 01 LST 30 77 79 78 75 76 79 79 83 83 80 79 79 79
HOUR 07 LST 30 79 80 80 76 75 77 78 83 84 82 80 81 80
HOUR 13 LST 30 72 70 65 58 56 56 55 58 60 61 69 73 63
HOUR 19 LST 30 76 75 72 64 62 62 60 66 72 73 76 77 70
S PERCENT POSSIBLE SUNSHINE 57 31 38 46 50 58 64 67 64 57 50 29 27 48
W/O MEAN NO. DAYS WITH:
HEAVY FOG(VISBY 1/4 MI) 59 1.6 1.8 2.6 2.1 2.3 1.3 0.8 0.9 1.0 1.3 1.4 1.4 18.5
THUNDERSTORMS 59 0.2 0.2 1.2 2.3 3.4 5.3 5.8 5.9 3.7 1.6 1.1 0.4 31.1
CLOUDINESS MEAN:
SUNRISE-SUNSET (OKTAS) 1 8.8
MIDNIGHT-MIDNIGHT (OKTAS)
MEAN NO. DAYS WITH:
CLEAR 1 5.0 4.0 4.0
PARTLY CLOUDY 1 4.0 8.0 5.0
CLOUDY 1 3.0 4.0 9.0 7.0 8.0
PR MEAN STATION PRESSURE(IN) 29 29.29 29.30 29.20 29.20 29.20 29.20 29.20 29.30 29.30 29.30 29.30 29.29 29.26
MEAN SEA-LEVEL PRES. (IN) 18 30.05 30.07 30.04 29.98 29.98 29.95 29.99 30.04 30.05 30.08 30.06 30.06 30.03
WINDS MEAN SPEED (MPH) 53 13.8 13.0 12.8 12.1 11.1 10.6 10.1 9.5 10.0 10.7 12.2 12.9 11.6
PREVAIL. DIR (TENS OF DEGS) 34 24 24 24 23 23 24 24 24 24 24 27 27 24
MAXIMUM 2-MINUTE:
SPEED (MPH) 6 44 54 44 38 43 38 41 32 39 46 46 51 54
DIR. (TENS OF DEGS) 23 24 26 24 24 24 31 24 26 23 23 23 24
YEAR OF OCCURRENCE 1996 1997 1998 1997 1997 2000 1999 2001 1997 2001 1998 2000 FEB 1997
MAXIMUM 5-SECOND:
SPEED (MPH) 6 57 70 57 48 55 48 54 44 47 60 61 66 70
DIR. (TENS OF DEGS) 24 25 27 26 23 26 31 27 22 24 22 22 25
YEAR OF OCCURRENCE 1997 1997 1998 1997 1997 2000 1999 1997 1999 2001 1998 2000 FEB 1997
PRECIPITATION NORMAL (IN) 30 2.70 2.31 2.68 2.87 3.14 3.55 3.08 4.17 3.49 3.09 3.83 3.67 38.58
MAXIMUM MONTHLY (IN) 58 6.88 5.90 5.97 5.90 7.22 8.36 8.93 10.67 8.99 9.13 9.75 8.71 10.67
YEAR OF OCCURRENCE 1982 1990 1991 1961 1989 1987 1992 1977 1977 1954 1985 1990 AUG 1977
MINIMUM MONTHLY (IN) 58 1.03 0.81 1.20 1.27 1.21 0.11 0.73 1.10 0.77 0.30 1.44 0.69 0.11
YEAR OF OCCURRENCE 1946 1968 1967 1946 1965 1955 2001 1948 1964 1963 1944 1943 JUN 1955
MAXIMUM IN 24 HOURS (IN) 58 2.57 2.31 2.14 2.09 3.52 5.01 3.38 3.88 4.94 3.49 2.51 2.33 5.01
YEAR OF OCCURRENCE 1982 1954 1954 1991 1986 1987 1963 1963 1979 1945 1949 1990 JUN 1987
NORMAL NO. DAYS WITH:
PRECIPITATION 0.01 30 19.8 17.7 16.1 14.0 12.3 11.2 9.8 11.3 11.3 12.8 16.0 20.1 172.4
PRECIPITATION 1.00 30 0.2 0.2 0.2 0.2 0.5 0.8 0.7 1.0 0.7 0.5 0.5 0.4 5.9
SNOWFALL NORMAL (IN) 30 25.7 18.2 10.3 3.8 0.3 0.0 0.0 0.0 0.0 0.2 9.9 23.8 92.2
MAXIMUM MONTHLY (IN) 58 68.3 54.2 32.8 15.0 7.9 T T T T 3.1 45.6 82.7 82.7
YEAR OF OCCURRENCE 1977 1958 2001 1975 1989 1980 1993 1991 1994 1972 2000 2001 DEC 2001
MAXIMUM IN 24 HOURS (IN) 58 25.3 19.4 17.2 6.8 7.9 T T T T 2.8 24.9 37.9 37.9
YEAR OF OCCURRENCE 1982 1984 1993 1975 1989 1980 1993 1991 1994 1993 2000 1995 DEC 1995
MAXIMUM SNOW DEPTH (IN) 53 38 42 20 12 4 0 0 0 0 2 25 44 44
YEAR OF OCCURRENCE 1977 1977 1984 1975 1989 1972 2000 2001 DEC 2001
NORMAL NO. DAYS WITH:
SNOWFALL 1.0 30 7.6 5.8 3.3 1.1 0.1 0.0 0.0 0.0 0.0 0.1 2.8 6.7 27.5

2001 Buffalo, New York (BUF)

PRECIPITATION (inches) 2001 BUFFALO, NY (BUF)
YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL
1972 2.17 3.44 3.99 2.99 3.64 6.06 0.99 4.19 3.06 2.96 4.28 3.86 41.63
1973 2.03 1.98 3.27 3.56 2.99 1.68 3.68 2.98 1.44 4.27 4.07 4.89 36.84
1974 2.44 2.19 3.19 3.15 3.36 3.86 1.80 3.64 2.42 1.75 5.38 3.13 36.31
1975 2.11 2.93 2.92 1.86 3.31 3.65 2.34 8.49 2.44 1.13 2.77 4.58 38.53
1976 3.19 3.43 5.59 4.01 4.70 3.36 5.65 1.65 5.39 3.61 2.11 3.83 46.52
1977 3.38 1.59 2.42 3.60 1.39 2.79 3.64 10.67 8.99 2.61 4.45 8.02 53.55
1978 6.29 1.36 1.72 1.84 3.95 2.42 1.48 3.51 4.40 3.72 1.55 3.50 35.74
1979 5.43 2.03 2.48 3.16 1.63 2.18 3.51 6.26 5.61 3.88 4.14 3.43 43.74
1980 1.97 1.08 4.05 2.43 1.60 5.82 3.55 3.58 4.53 4.69 2.36 2.65 38.31
1981 1.11 3.50 1.70 3.09 2.56 3.68 5.05 3.13 4.24 3.31 2.22 2.87 36.46
1982 6.88 1.28 2.64 2.33 3.66 3.14 1.50 4.62 3.37 2.06 6.31 3.32 41.11
1983 1.44 1.30 3.20 2.55 3.28 2.99 2.01 3.51 2.11 4.62 5.19 7.30 39.50
1984 1.54 3.59 1.77 2.53 4.67 6.86 1.37 4.16 3.73 0.87 2.66 3.67 37.42
1985 4.27 3.34 4.42 1.33 3.46 3.21 1.81 4.63 1.20 3.73 9.75 4.85 46.00
1986 2.31 2.60 1.95 3.33 4.42 4.15 2.82 2.73 3.88 4.34 3.11 4.02 39.66
1987 2.90 0.85 3.66 3.40 1.35 8.36 3.09 3.38 5.32 2.62 4.44 2.78 42.15
1988 1.58 4.07 2.99 2.96 2.74 1.56 6.35 2.69 2.07 6.08 3.37 2.15 38.61
1989 1.77 2.54 3.15 1.88 7.22 7.83 0.93 1.84 3.85 2.98 4.83 2.34 41.16
1990 2.69 5.90 1.50 5.22 6.08 3.55 3.14 3.25 3.65 4.59 2.61 8.71 50.89
1991 2.07 2.06 5.97 5.83 3.10 0.86 3.34 2.84 3.19 3.11 4.02 3.81 40.20
1992 2.01 2.45 2.93 4.68 3.48 2.21 8.93 3.79 5.56 2.80 4.92 3.80 47.56
1993 4.35 1.92 3.02 2.55 1.79 4.99 1.78 3.86 5.53 3.69 3.58 3.60 40.66
1994 2.90 1.40 2.61 4.02 3.54 4.27 2.08 4.09 3.19 1.87 4.08 2.67 36.72
1995 4.89 2.62 1.33 1.41 2.40 1.33 3.53 2.07 1.32 6.07 4.14 2.88 33.99
1996 3.42 2.09 2.37 5.63 4.08 5.20 5.15 2.14 7.51 4.22 2.99 3.42 48.22
1997 4.25 2.97 4.47 1.65 3.61 3.06 1.85 4.67 5.06 2.29 4.32 2.88 41.08
1998 5.61 2.28 3.86 2.54 3.73 2.87 4.39 1.74 2.43 2.10 1.61 1.54 34.70
1999 5.78 1.10 2.43 2.21 2.82 1.93 1.00 4.38 3.95 2.95 3.33 2.20 34.08
2000 2.65 1.75 2.12 4.07 4.38 6.51 2.90 3.21 3.92 1.11 5.82 3.76 42.20
2001 2.15 2.33 3.31 1.27 4.28 1.36 0.73 2.13 3.45 4.34 3.35 6.48 35.18
POR=131 YRS 3.13 2.66 2.79 2.76 3.00 2.95 2.90 3.20 3.17 3.08 3.33 3.31 36.28

2001 Buffalo, New York (BUF)

AVERAGE TEMPERATURE (F) 2001 BUFFALO, NY (BUF)
YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL
1972 25.5 22.0 30.1 41.1 59.1 62.6 71.0 67.7 62.8 46.2 36.0 30.8 46.2
1973 27.6 22.9 42.4 46.9 54.5 68.2 72.3 71.8 61.7 54.3 40.8 29.0 49.4
1974 27.1 22.3 33.0 46.2 53.1 65.6 69.9 69.9 59.6 49.2 40.2 31.7 47.3
1975 30.1 29.1 30.8 39.3 62.1 68.0 72.3 69.7 58.3 53.1 46.9 28.3 49.0
1976 19.7 31.8 37.2 46.5 53.4 68.4 67.8 67.5 60.1 46.3 34.1 22.0 46.2
1977 13.8 24.6 39.8 47.0 60.3 64.4 72.0 68.1 62.6 49.6 43.3 27.9 47.8
1978 20.4 15.5 28.2 42.5 57.4 65.1 70.4 70.3 60.8 49.5 40.4 30.4 45.9
1979 20.5 14.9 38.2 44.3 56.9 66.5 71.3 67.5 61.9 50.7 43.5 33.4 47.5
1980 25.8 21.2 31.8 46.1 58.1 61.9 71.7 72.6 62.4 48.7 39.4 25.3 47.1
1981 19.3 32.9 33.9 47.2 56.4 66.2 71.8 70.0 60.9 48.2 40.4 29.0 48.0
1982 17.2 23.2 32.5 41.6 61.0 62.2 71.8 65.0 61.6 52.6 43.0 37.5 47.4
1983 27.0 29.6 36.7 43.6 53.9 67.6 74.2 71.2 63.7 51.7 40.8 22.7 48.6
1984 20.4 33.8 27.1 47.7 52.9 67.8 70.3 70.3 58.5 53.2 39.0 35.6 48.1
1985 21.1 24.8 35.6 49.5 59.5 62.7 69.7 69.2 64.2 52.5 42.0 25.6 48.0
1986 25.5 24.5 36.2 47.8 59.7 64.1 71.1 67.9 61.8 50.9 37.7 32.4 48.3
1987 26.1 25.0 37.7 50.0 60.5 68.9 74.2 68.9 63.4 47.9 42.5 34.3 50.0
1988 26.6 24.3 35.2 46.1 59.7 64.0 74.8 72.4 62.1 46.9 43.0 30.0 48.8
1989 31.3 22.7 33.0 41.9 55.1 65.9 71.5 68.5 60.8 51.5 37.9 17.4 46.5
1990 33.4 29.3 36.9 48.5 54.9 66.7 71.4 70.4 61.7 52.5 43.4 34.4 50.3
1991 26.0 30.6 37.8 50.5 64.3 69.1 71.9 71.0 62.0 53.1 39.3 31.3 50.6
1992 27.1 27.7 31.6 43.8 57.3 63.4 66.8 66.3 61.6 47.9 40.2 31.9 47.1
1993 29.5 20.7 30.7 47.3 57.0 66.0 73.4 72.0 59.4 49.2 39.6 29.6 47.9
1994 17.2 22.8 33.4 48.2 54.7 69.0 73.3 68.0 61.9 52.2 45.1 34.0 48.3
1995 29.8 21.9 37.8 42.3 56.8 69.9 72.7 73.0 60.0 54.2 36.4 24.5 48.3
1996 22.5 24.2 29.0 42.2 54.5 67.8 68.5 70.5 62.7 51.7 35.4 33.5 46.9
1997 24.7 30.1 33.1 42.3 50.6 66.7 68.6 66.8 60.5 50.5 37.6 31.8 46.9
1998 31.1 34.1 36.5 46.8 62.8 65.3 69.6 71.2 63.7 52.6 42.0 35.3 50.9
1999 23.5 31.0 31.0 46.0 59.7 68.4 74.3 67.9 64.3 50.1 43.9 32.0 49.3
2000 23.6 29.9 40.0 44.2 57.5 64.9 67.6 68.0 61.2 52.3 38.8 22.1 47.5
2001 27.0 28.2 31.1 47.3 58.8 67.0 69.8 73.0 62.7 53.0 46.9 35.9 50.1
POR=128 YRS 25.0 24.8 32.7 43.7 55.1 64.8 70.5 69.0 62.4 51.5 40.2 29.6 47.4

REFERENCE NOTES:

PAGE 1:

THE TEMPERATURE GRAPH SHOWS NORMAL MAXIMUM AND NORMAL MINIMUM DAILY TEMPERATURES (SOLID CURVES) AND THE ACTUAL DAILY HIGH AND LOW TEMPERATURES (VERTICAL BARS).

PAGE 2 AND 3:

H/C INDICATES HEATING AND COOLING DEGREE DAYS.

RH INDICATES RELATIVE HUMIDITY

W/O INDICATES WEATHER AND OBSTRUCTIONS

S INDICATES SUNSHINE.

PR INDICATES PRESSURE.

CLOUDINESS ON PAGE 3 IS THE SUM OF THE CEILOMETER AND SATELLITE DATA NOT TO EXCEED EIGHT EIGHTHS (OKTAS).

GENERAL:

T INDICATES TRACE PRECIPITATION, AN AMOUNT GREATER THAN ZERO BUT LESS THAN THE LOWEST REPORTABLE VALUE.

+ INDICATES THE VALUE ALSO OCCURS ON EARLIER DATES.

BLANK ENTRIES DENOTE MISSING OR UNREPORTED DATA.

NORMALS ARE 30–YEAR AVERAGES (1961–1990).

ASOS INDICATES AUTOMATED SURFACE OBSERVING SYSTEM.

PM INDICATES THE LAST DAY OF THE PREVIOUS MONTH.

POR (PERIOD OF RECORD) BEGINS WITH THE JANUARY DATA MONTH AND IS THE NUMBER OF YEARS USED TO COMPUTE THE MEAN. INDIVIDUAL MONTHS WITHIN THE POR MAY BE MISSING.

WHEN THE POR FOR A NORMAL IS LESS THAN 30 YEARS, THE NORMAL IS PROVISIONAL AND IS BASED ON THE NUMBER OF YEARS INDICATED.

0.* OR * INDICATES THE VALUE OR MEAN–DAYS–WITH IS BETWEEN 0.00 AND 0.05.

CLOUDINESS FOR ASOS STATIONS DIFFERS FROM THE NON–ASOS OBSERVATION TAKEN BY A HUMAN OBSERVER. ASOS STATION CLOUDINESS IS BASED ON TIME–AVERAGED CEILOMETER DATA FOR CLOUDS AT OR BELOW 12,000 FEET AND ON SATELLITE DATA FOR CLOUDS ABOVE 12,000 FEET.

THE NUMBER OF DAYS WITH CLEAR, PARTLY CLOUDY, AND CLOUDY CONDITIONS FOR ASOS STATIONS IS THE SUM OF THE CEILOMETER AND SATELLITE DATA FOR THE SUNRISE TO SUNSET PERIOD.

GENERAL CONTINUED:

CLEAR INDICATES 0–2 OKTAS, PARTLY CLOUDY INDICATES 3–6 OKTAS, AND CLOUDY INDICATES 7 OR 8 OKTAS. WHEN AT LEAST ONE OF THE ELEMENTS (CEILOMETER OR SATELLITE) IS MISSING, THE DAILY CLOUDINESS IS NOT COMPUTED.

WIND DIRECTION IS RECORDED IN TENS OF DEGREES (2 DIGITS) CLOCKWISE FROM TRUE NORTH. "00" INDICATES CALM. "36" INDICATES TRUE NORTH.

RESULTANT WIND IS THE VECTOR AVERAGE OF THE SPEED AND DIRECTION.

AVERAGE TEMPERATURE IS THE SUM OF THE MEAN DAILY MAXIMUM AND MINIMUM TEMPERATURE DIVIDED BY 2.

SNOWFALL DATA COMPRISE ALL FORMS OF FROZEN PRECIPITATION, INCLUDING HAIL.

A HEATING (COOLING) DEGREE DAY IS THE DIFFERENCE BETWEEN THE AVERAGE DAILY TEMPERATURE AND 65 F.

DRY BULB IS THE TEMPERATURE OF THE AMBIENT AIR.

DEW POINT IS THE TEMPERATURE TO WHICH THE AIR MUST BE COOLED TO ACHIEVE 100 PERCENT RELATIVE HUMIDITY.

WET BULB IS THE TEMPERATURE THE AIR WOULD HAVE IF THE MOISTURE CONTENT WAS INCREASED TO 100 PERCENT RELATIVE HUMIDITY.

ON JULY 1, 1996, THE NATIONAL WEATHER SERVICE BEGAN USING THE "METAR" OBSERVATION CODE THAT WAS ALREADY EMPLOYED BY MOST OTHER NATIONS OF THE WORLD. THE MOST NOTICEABLE DIFFERENCE IN THIS ANNUAL PUBLICATION WILL BE THE CHANGE IN UNITS FROM TENTHS TO EIGHTS (OKTAS) FOR REPORTING THE AMOUNT OF SKY COVER.

2001 Buffalo, New York (BUF)

HEATING DEGREE DAYS (base 65 F) 2001 BUFFALO, NY (BUF)
YEAR JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN TOTAL
1972-73 16 33 113 574 860 1054 1152 1173 696 542 318 24 6555
1973-74 2 14 171 326 720 1107 1167 1187 989 553 365 51 6652
1974-75 2 0 187 483 738 1024 1077 1001 1053 764 175 32 6536
1975-76 3 15 197 368 535 1134 1400 958 853 557 358 40 6418
1976-77 15 35 180 573 921 1328 1580 1123 775 544 207 90 7371
1977-78 5 40 110 473 646 1146 1376 1378 1130 670 282 81 7337
1978-79 14 3 154 472 732 1067 1371 1400 823 619 285 65 7005
1979-80 16 35 134 455 636 973 1208 1265 1022 559 240 142 6685
1980-81 2 0 128 498 759 1224 1411 895 956 527 269 33 6702
1981-82 6 11 170 514 732 1108 1476 1163 1002 698 147 95 7122
1982-83 4 65 140 382 656 848 1172 987 868 636 342 71 6171
1983-84 5 10 125 418 722 1304 1378 899 1167 519 385 35 6967
1984-85 11 22 210 360 774 905 1354 1120 902 476 196 95 6425
1985-86 8 12 114 378 685 1215 1215 1128 885 519 197 80 6436
1986-87 4 42 137 430 811 1003 1199 1115 837 447 213 28 6266
1987-88 3 25 91 527 665 948 1184 1174 916 560 186 113 6392
1988-89 5 17 122 560 654 1078 1038 1177 985 687 321 60 6704
1989-90 1 28 170 411 806 1466 970 995 866 518 311 46 6588
1990-91 5 2 141 395 640 941 1203 956 836 431 141 22 5713
1991-92 1 1 166 376 762 1037 1169 1076 1027 633 254 93 6595
1992-93 28 41 148 525 738 1021 1095 1235 1053 526 257 60 6727
1993-94 0 8 212 486 752 1089 1476 1174 972 502 327 48 7046
1994-95 0 26 123 390 591 955 1085 1201 835 674 247 22 6149
1995-96 14 3 164 329 851 1250 1310 1178 1107 677 333 22 7238
1996-97 15 1 130 406 881 969 1241 970 983 673 438 40 6747
1997-98 17 25 150 457 814 1023 1045 862 878 538 96 104 6009
1998-99 0 9 88 378 682 912 1280 949 1048 566 193 58 6163
1999-00 0 17 97 454 628 1014 1276 1012 770 617 246 73 6204
2000-01 20 26 176 385 780 1323 1171 1023 1042 528 190 61 6725
2001- 18 0 127 371 535 893

2001 Buffalo, New York (BUF)

COOLING DEGREE DAYS (base 65 F) 2001 BUFFALO, NY (BUF)
YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL
1972 0 0 0 0 12 48 210 123 57 0 0 0 450
1973 0 0 0 6 2 126 233 230 78 3 0 0 678
1974 0 0 0 0 7 71 163 158 29 0 0 0 428
1975 0 0 0 0 90 129 238 171 3 3 0 0 634
1976 0 0 0 8 7 149 109 119 40 0 0 0 432
1977 0 0 0 12 68 78 228 142 45 0 1 0 574
1978 0 0 0 0 52 91 189 173 35 0 0 0 540
1979 0 0 0 6 40 118 217 120 49 20 0 0 570
1980 0 0 0 0 32 56 217 242 58 2 0 0 607
1981 0 0 0 2 13 78 225 173 55 0 0 0 546
1982 0 0 0 3 31 18 221 74 45 2 0 2 396
1983 0 0 0 0 5 157 300 214 90 15 0 0 781
1984 0 0 0 5 16 123 183 193 23 1 0 0 544
1985 0 0 0 18 32 32 161 151 96 0 1 0 491
1986 0 0 0 7 38 60 200 137 46 0 0 0 488
1987 0 0 0 4 79 151 298 152 49 0 0 0 733
1988 0 0 0 0 29 88 315 255 41 8 0 0 736
1989 0 0 0 0 21 97 207 143 50 0 0 0 518
1990 0 0 3 29 4 104 208 176 47 14 0 0 585
1991 0 0 0 3 125 153 221 193 83 13 0 0 791
1992 0 0 0 1 24 53 90 90 55 0 0 0 313
1993 0 0 0 0 14 97 267 231 51 3 0 0 663
1994 0 0 0 5 14 175 267 125 36 2 0 0 624
1995 0 0 0 0 2 176 262 256 21 1 0 0 718
1996 0 0 0 0 12 108 131 177 65 2 0 0 495
1997 0 0 0 0 0 99 135 84 22 12 0 0 352
1998 0 0 1 0 34 118 148 207 57 1 0 0 566
1999 0 0 0 0 33 165 297 112 81 0 0 0 688
2000 0 0 0 0 17 76 108 126 69 0 0 0 396
2001 0 0 0 3 8 129 174 255 64 5 0 0 638

2001 Buffalo, New York (BUF)

SNOWFALL (inches) 2001 BUFFALO, NY (BUF)
YEAR JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN TOTAL
1972-73 0.0 0.0 0.0 3.1 18.9 19.8 9.9 16.1 8.5 2.4 0.1 0.0 78.8
1973-74 0.0 0.0 0.0 0.0 3.0 23.1 19.7 22.8 12.9 7.1 0.1 0.0 88.7
1974-75 0.0 0.0 0.0 T 22.1 23.6 11.0 16.3 7.6 15.0 0.0 0.0 95.6
1975-76 0.0 0.0 0.0 T 5.5 27.3 21.6 8.3 17.3 2.5 T 0.0 82.5
1976-77 0.0 0.0 0.0 0.2 31.3 60.7 68.3 22.7 13.5 2.2 0.5 0.0 199.4
1977-78 0.0 0.0 0.0 T 15.0 53.4 56.5 21.7 5.8 1.8 0.1 0.0 154.3
1978-79 0.0 0.0 0.0 T 3.0 10.1 42.6 28.3 4.6 8.7 0.0 0.0 97.3
1979-80 0.0 0.0 0.0 T 12.6 19.7 10.2 11.7 13.9 0.3 T T 68.4
1980-81 0.0 0.0 0.0 T 6.7 21.6 14.4 5.0 13.2 T 0.0 0.0 60.9
1981-82 0.0 0.0 0.0 T 1.8 24.8 53.2 12.7 9.0 10.9 0.0 0.0 112.4
1982-83 0.0 0.0 0.0 0.0 15.8 12.9 9.0 5.5 6.9 2.3 T 0.0 52.4
1983-84 0.0 0.0 0.0 T 17.7 52.0 13.4 32.5 16.0 0.9 T 0.0 132.5
1984-85 0.0 0.0 0.0 0.0 1.4 11.2 65.9 20.9 6.3 1.5 0.0 0.0 107.2
1985-86 0.0 0.0 0.0 0.0 5.2 68.4 17.3 17.3 4.8 1.7 T 0.0 114.7
1986-87 0.0 0.0 0.0 0.0 13.7 4.8 28.5 7.7 10.8 2.0 0.0 0.0 67.5
1987-88 0.0 0.0 0.0 T 0.9 9.8 6.9 31.9 6.1 0.8 0.0 0.0 56.4
1988-89 0.0 0.0 0.0 0.5 0.6 10.8 5.4 29.6 10.1 2.5 7.9 0.0 67.4
1989-90 0.0 0.0 0.0 T 7.8 34.8 11.8 28.0 1.4 9.9 T 0.0 93.7
1990-91 0.0 0.0 0.0 T 0.7 15.4 16.6 16.1 8.5 0.2 T 0.0 57.5
1991-92 0.0 T 0.0 0.2 18.0 21.4 18.4 7.0 22.8 5.0 0.0 0.0 92.8
1992-93 0.0 0.0 0.0 0.6 13.7 16.5 13.1 19.5 29.3 0.5 T 0.0 93.2
1993-94 T 0.0 T 2.9 4.8 27.9 35.4 21.6 13.2 6.9 0.0 0.0 112.7
1994-95 0.0 0.0 T 0.0 0.9 7.8 23.1 34.6 4.3 3.9 T 0.0 74.6
1995-96 0.0 0.0 0.0 0.0 15.7 61.2 25.3 11.9 24.1 3.2 T
1996-97 0.0 0.0 0.0 0.0 11.5 18.9 42.4 9.3 13.4 2.1 0.0 0.0 97.6
1997-98 0.0 0.0 0.0 0.2 16.5 16.8 13.6 1.8 25.3 T T T 74.2
1998-99 0.0 0.0 0.0 0.0 0.2 11.6 65.1 6.9 15.8 1.0 0.0 0.0 100.6
1999-00 0.0 0.0 0.0 T 0.9 12.7 19.4 16.2 10.7 3.7 0.0 0.0 63.6
2000-01 0.0 0.0 0.0 T 45.6 50.3 19.6 9.8 32.8 0.6 0.0 0.0 158.7
2001- 0.0 0.0 0.0 0.4 0.0 82.7
POR=57 YRS T T T 0.3 11.4 24.2 24.0 17.4 12.4 3.0 0.4 T 93.1



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