2001 DALLAS – FORT WORTH, TEXAS (DFW)



The Dallas–Fort Worth Metroplex is located in North Central Texas, approximately 250 miles north of the Gulf of Mexico. It is near the headwaters of the Trinity River, which lie in the upper margins of the Coastal Plain. The rolling hills in the area range from 500 to 800 feet in elevation.

The Dallas–Fort Worth climate is humid subtropical with hot summers. It is also continental, characterized by a wide annual temperature range. Precipitation also varies considerably, ranging from less than 20 to more than 50 inches.

Winters are mild, but northers occur about three times each month, and often are accompanied by sudden drops in temperature. Periods of extreme cold that occasionally occur are short–lived, so that even in January mild weather occurs frequently.

The highest temperatures of summer are associated with fair skies, westerly winds and low humidities. Characteristically, hot spells in summer are broken into three–to–five day periods by thunderstorm activity. There are only a few nights each summer when the low temperature exceeds 80 degrees. Summer daytime temperatures frequently exceed 100 degrees. Air conditioners are recommended for maximum comfort indoors and while traveling via automobile.

Throughout the year, rainfall occurs more frequently during the night. Usually, periods of rainy weather last for only a day or two, and are followed by several days with fair skies. A large part of the annual precipitation results from thunderstorm activity, with occasional heavy rainfall over brief periods of time. Thunderstorms occur throughout the year, but are most frequent in the spring. Hail falls on about two or three days a year, ordinarily with only slight and scattered damage. Windstorms occurring during thunderstorm activity are sometimes destructive. Snowfall is rare.

The average length of the warm season (freeze–free period) in the Dallas–Fort Worth Metroplex is about 249 days. The average last occurrence of 32 degrees or below is mid March and the average first occurrence of 32 degrees or below is in late November.

NORMALS, MEANS, AND EXTREMES

DALLAS–FORT WORTH, TX (DFW)

LATITUDE:    LONGITUDE:     ELEVATION (FT):    TIME ZONE:    WBAN: 03927

32 53′ 47″ N  97 02′ 28″ W  GRND: 559  BARO: 562  CENTRAL (UTC + 6)

2001 Dallas – Fort Worth, Texas (DFW)

ELEMENT POR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC YEAR
TEMPERATURE F NORMAL DAILY MAXIMUM 30 54.1 58.9 67.8 76.3 82.9 91.9 96.5 96.2 87.8 78.5 66.8 57.5 76.3
MEAN DAILY MAXIMUM 54 54.8 60.0 67.5 76.2 83.3 91.6 96.0 95.8 88.5 78.7 66.3 57.8 76.4
HIGHEST DAILY MAXIMUM 48 88 95 96 95 103 113 110 108 111 102 89 88 113
YEAR OF OCCURRENCE 1969 1996 1991 1990 1985 1980 1998 2000 2000 1979 1989 1955 JUN 1980
MEAN OF EXTREME MAXS. 54 76.1 80.0 85.1 89.1 94.1 98.8 102.7 103.3 98.7 92.4 82.9 77.2 90.0
NORMAL DAILY MINIMUM 30 32.7 36.9 45.6 54.7 62.6 70.0 74.1 73.6 66.9 55.8 45.4 36.3 54.6
MEAN DAILY MINIMUM 54 33.9 38.4 45.3 54.5 63.1 70.9 74.7 74.2 67.0 56.2 44.8 37.0 55.0
LOWEST DAILY MINIMUM 48 4 7 15 29 41 51 59 56 43 29 20 -1 -1
YEAR OF OCCURRENCE 1964 1985 1980 1989 1978 1964 1972 1967 1984 1993 1959 1989 DEC 1989
MEAN OF EXTREME MINS. 54 16.2 21.6 27.8 37.7 49.7 60.4 67.7 65.9 52.5 40.4 28.7 20.6 40.8
NORMAL DRY BULB 30 43.4 47.9 56.7 65.5 72.8 81.0 85.3 84.9 77.4 67.2 56.2 46.9 65.4
MEAN DRY BULB 54 44.4 49.2 56.3 65.3 73.1 81.2 85.3 85.1 77.7 67.3 55.4 47.3 65.6
MEAN WET BULB 18 40.5 45.0 50.5 57.8 66.6 72.3 73.9 73.1 68.1 59.6 50.1 42.5 58.3
MEAN DEW POINT 18 34.4 38.2 44.0 51.5 62.3 68.2 68.6 67.3 62.6 53.9 44.4 36.6 52.7
NORMAL NO. DAYS WITH:
MAXIMUM 90 30 0.0 0.0 0.2 1.0 4.5 19.5 27.5 26.8 14.4 3.1 0.0 0.0 97.0
MAXIMUM 32 30 1.9 0.7 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.9 3.6
MINIMUM 32 30 15.7 9.3 2.8 0.2 0.0 0.0 0.0 0.0 0.0 * 2.3 10.7 41.0
MINIMUM 0 30 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 * 0.0
H/C NORMAL HEATING DEG. DAYS 30 670 484 286 75 0 0 0 0 0 51 275 566 2407
NORMAL COOLING DEG. DAYS 30 0 5 29 90 246 480 629 617 372 119 11 5 2603
RH NORMAL (PERCENT) 30 68 66 64 65 70 66 60 60 66 66 67 68 66
HOUR 00 LST 30 72 72 69 72 78 74 67 66 74 73 74 73 72
HOUR 06 LST 30 79 80 79 82 87 85 80 80 84 82 81 79 82
HOUR 12 LST 30 60 58 56 56 59 55 49 49 55 54 56 59 56
HOUR 18 LST 30 57 54 50 52 56 50 44 44 52 54 58 59 52
S PERCENT POSSIBLE SUNSHINE 17 52 54 58 61 57 67 75 73 67 63 57 52 61
W/O MEAN NO. DAYS WITH:
HEAVY FOG(VISBY 1/4 MI) 48 2.5 1.5 1.0 0.6 0.3 0.1 0.0 0.0 0.1 0.8 1.5 2.4 10.8
THUNDERSTORMS 48 1.4 1.9 4.5 6.0 7.6 6.2 4.5 4.3 3.4 3.0 2.1 1.3 46.2
CLOUDINESS MEAN:
SUNRISE-SUNSET (OKTAS) 1 4.0 4.0 3.2 4.8
MIDNIGHT-MIDNIGHT (OKTAS) 1 4.0
MEAN NO. DAYS WITH:
CLEAR 1 2.0 6.0 15.0 10.0 11.0
PARTLY CLOUDY 1 2.0 4.0 8.0
CLOUDY 1 2.0 7.0 6.0 2.0
PR MEAN STATION PRESSURE(IN) 29 29.49 29.49 29.40 29.30 29.30 29.30 29.40 29.40 29.39 29.40 29.40 29.50 29.40
MEAN SEA-LEVEL PRES. (IN) 18 30.13 30.08 30.01 29.93 29.90 29.91 29.96 29.96 29.98 30.04 30.08 30.13 30.01
WINDS MEAN SPEED (MPH) 48 11.0 11.7 12.6 12.4 11.1 10.6 10.0 9.1 9.4 9.9 11.0 11.1 10.8
PREVAIL. DIR (TENS OF DEGS) 5 18 18 18 18 18 18 18 18 16 16 18 18 18
MAXIMUM 2-MINUTE:
SPEED (MPH) 6 41 51 48 47 43 47 36 47 33 46 40 39 51
DIR. (TENS OF DEGS) 29 23 30 30 34 32 11 33 24 23 28 33 23
YEAR OF OCCURRENCE 1996 2000 2000 2000 1998 1996 1999 1996 1996 2001 2001 2000 FEB 2000
MAXIMUM 5-SECOND:
SPEED (MPH) 6 51 78 74 64 55 57 45 47 39 54 47 47 78
DIR. (TENS OF DEGS) 19 23 27 26 28 34 12 34 19 23 30 26 23
YEAR OF OCCURRENCE 1996 2000 2000 2000 2000 1996 1999 1996 2001 2001 1998 1997 FEB 2000
PRECIPITATION NORMAL (IN) 30 1.83 2.18 2.77 3.50 4.88 2.98 2.31 2.21 3.39 3.52 2.29 1.84 33.70
MAXIMUM MONTHLY (IN) 48 5.07 7.40 6.69 12.19 13.66 8.75 11.13 6.85 9.52 14.18 6.95 8.75 14.18
YEAR OF OCCURRENCE 1998 1997 1995 1957 1982 1989 1973 1970 1964 1981 2000 1991 OCT 1981
MINIMUM MONTHLY (IN) 48 T 0.15 0.10 0.11 0.95 0.40 0.00 0.00 0.09 T 0.20 0.17 0.00
YEAR OF OCCURRENCE 1986 1963 1972 1987 1996 1964 1993 2000 1984 1975 1970 1981 AUG 2000
MAXIMUM IN 24 HOURS (IN) 48 3.15 4.06 4.39 4.55 5.34 3.15 3.83 4.05 4.76 5.91 2.83 4.22 5.91
YEAR OF OCCURRENCE 1998 1965 1977 1957 1989 1989 2001 1976 1965 1959 1964 1991 OCT 1959
NORMAL NO. DAYS WITH:
PRECIPITATION 0.01 30 6.7 6.3 7.3 7.6 8.7 6.4 4.7 4.6 7.1 6.2 6.0 6.5 78.1
PRECIPITATION 1.00 30 0.3 0.5 0.7 1.2 1.4 0.9 0.7 0.8 1.1 1.4 0.6 0.4 10.0
SNOWFALL NORMAL (IN) 30 1.4 1.0 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.3 3.1
MAXIMUM MONTHLY (IN) 43 12.1 13.5 2.5 T T 0.0 0.0 0.0 0.0 T 5.0 2.6 13.5
YEAR OF OCCURRENCE 1964 1978 1962 1995 1995 1993 1976 1963 FEB 1978
MAXIMUM IN 24 HOURS (IN) 43 12.1 7.5 2.5 T T 0.0 0.0 0.0 0.0 T 4.8 2.5 12.1
YEAR OF OCCURRENCE 1964 1978 1962 1995 1995 1993 1976 1963 JAN 1964
MAXIMUM SNOW DEPTH (IN) 48 6 8 2 0 0 0 0 0 0 0 3 2 8
YEAR OF OCCURRENCE 1964 1978 1971 1976 1983 FEB 1978
NORMAL NO. DAYS WITH:
SNOWFALL 1.0 30 0.5 0.4 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.* 0.1 1.1

2001 Dallas – Fort Worth, Texas (DFW)

PRECIPITATION (inches) 2001 DALLAS – FORT WORTH, TX (DFW)
YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL
1972 1.09 0.26 0.10 3.25 2.35 1.50 0.59 0.81 2.42 6.89 2.36 0.61 22.23
1973 3.26 1.92 2.28 6.06 3.18 5.88 11.13 0.01 7.16 6.85 2.06 0.83 50.62
1974 1.79 1.01 0.80 2.51 6.00 5.44 0.67 4.19 6.04 5.93 3.32 1.93 39.63
1975 3.34 3.72 1.67 3.40 6.88 1.95 5.06 0.30 0.87 T 0.42 1.49 29.10
1976 0.13 0.52 2.29 5.71 6.03 1.40 3.83 4.75 5.02 3.46 0.50 1.99 35.63
1977 2.39 1.68 5.88 4.31 0.99 0.69 2.20 2.33 1.72 2.96 1.79 0.25 27.19
1978 1.41 3.33 2.66 1.34 8.01 0.77 0.33 1.53 0.93 0.55 2.73 0.78 24.37
1979 3.35 1.52 6.33 2.03 5.90 1.36 1.94 2.47 0.99 3.38 0.43 2.72 32.42
1980 2.52 0.84 1.24 2.23 3.01 1.25 0.71 T 6.54 1.08 1.23 1.43 22.08
1981 0.58 1.44 3.39 2.69 6.24 7.85 1.81 2.32 2.40 14.18 1.53 0.17 44.60
1982 2.33 1.89 1.71 2.71 13.66 4.28 2.73 0.52 0.58 3.36 4.22 2.76 40.75
1983 2.55 1.25 4.36 0.59 5.83 2.07 1.56 5.55 0.22 4.04 2.22 0.83 31.07
1984 1.07 3.11 4.92 1.41 3.04 2.79 0.43 1.47 0.09 6.50 2.97 6.09 33.89
1985 0.81 2.62 3.70 3.75 2.13 3.78 2.40 0.53 3.35 3.91 3.11 0.61 30.70
1986 T 2.49 1.08 5.30 5.52 3.92 0.41 1.63 4.60 1.81 3.25 2.44 32.45
1987 1.22 3.67 1.70 0.11 5.95 3.45 1.77 0.81 1.38 0.12 4.17 2.90 27.25
1988 0.88 1.23 2.03 2.21 2.11 3.23 2.47 0.44 4.04 1.64 2.28 2.48 25.04
1989 2.56 3.70 3.72 1.86 9.62 8.75 2.61 1.89 2.40 2.02 0.49 0.33 39.95
1990 4.54 4.72 5.89 6.90 7.16 1.89 2.60 2.37 1.12 2.81 3.81 1.46 45.27
1991 2.72 2.60 1.35 3.63 6.97 4.26 3.99 4.30 4.61 9.32 1.04 8.75 53.54
1992 3.25 2.40 3.24 2.46 6.93 5.23 2.48 2.08 3.25 3.05 3.56 4.26 42.19
1993 1.74 5.78 3.03 3.49 1.75 3.75 0.00 0.75 3.28 5.10 1.62 2.54 32.83
1994 1.43 2.01 1.69 3.62 5.80 2.05 4.58 4.89 1.39 8.19 6.03 2.42 44.10
1995 2.11 0.44 6.69 6.83 7.50 2.41 3.45 0.86 1.54 0.75 0.74 2.08 35.40
1996 0.97 0.35 2.36 2.14 0.95 3.42 3.85 5.02 1.51 6.56 5.54 0.47 33.14
1997 0.33 7.40 2.21 6.73 3.92 3.99 1.68 3.13 2.01 5.66 1.01 6.93 45.00
1998 5.07 3.22 4.45 1.25 2.38 1.75 0.11 0.35 0.68 5.64 4.91 4.43 34.24
1999 1.44 0.48 2.84 2.74 6.91 0.99 0.77 T 2.30 2.26 0.31 2.55 23.59
2000 1.59 3.30 2.92 4.28 3.17 5.93 T 0.00 0.16 4.38 6.95 3.57 36.25
2001 2.44 6.17 5.27 0.89 5.58 1.28 3.85 2.72 3.72 1.86 1.11 3.24 38.13
POR=103 YRS 1.03 0.54 2.42 2.21 1.13 3.40 3.74 4.84 1.54 6.44 5.41 0.66 33.36

2001 Dallas – Fort Worth, Texas (DFW)

AVERAGE TEMPERATURE (F) 2001 DALLAS – FORT WORTH, TX (DFW)
YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL
1972 45.0 51.5 62.1 70.1 72.7 81.4 83.1 84.7 80.8 67.5 50.1 44.0 66.1
1973 42.5 47.9 60.0 60.7 71.7 79.3 83.9 82.9 76.1 68.3 59.8 48.4 65.1
1974 43.6 52.3 62.9 65.8 75.7 78.7 86.1 82.9 70.9 69.2 55.5 47.2 65.9
1975 49.0 46.6 53.8 64.7 72.4 80.9 83.6 84.8 75.6 69.8 57.3 49.0 65.6
1976 45.0 58.4 59.4 64.9 68.6 78.8 82.1 84.2 76.1 60.2 49.5 45.0 64.4
1977 34.7 49.4 57.2 66.8 77.4 84.1 87.1 84.9 81.6 66.7 56.4 47.6 66.2
1978 33.8 36.7 54.1 67.1 73.1 82.3 88.4 84.6 80.2 68.9 57.7 46.1 64.4
1979 35.4 42.2 56.7 64.4 69.7 81.0 84.5 82.5 77.0 70.8 52.9 49.4 63.9
1980 45.5 46.6 54.2 63.1 75.0 87.0 92.0 88.5 80.3 65.4 54.9 49.4 66.8
1981 44.6 48.9 55.7 69.2 70.5 80.3 85.9 83.4 76.2 66.1 57.5 47.3 65.5
1982 44.6 44.5 59.8 62.5 72.5 79.2 84.6 86.7 78.1 67.0 55.6 49.2 65.4
1983 43.4 48.5 54.5 60.6 69.5 77.3 83.6 84.9 77.1 67.8 57.3 34.8 63.3
1984 39.3 50.9 56.3 63.7 73.7 82.5 85.5 85.8 76.1 67.0 54.6 52.6 65.7
1985 37.8 45.0 60.8 67.2 74.0 80.2 84.4 87.6 77.7 67.6 56.3 42.3 65.1
1986 48.8 51.2 60.2 67.2 71.5 80.8 86.4 83.4 80.2 65.7 52.4 46.1 66.2
1987 44.5 50.8 53.9 65.0 75.1 79.6 83.4 86.5 77.1 66.5 55.7 47.3 65.5
1988 42.2 47.1 56.0 64.5 72.8 80.4 85.3 87.9 79.2 65.7 58.1 49.1 65.7
1989 50.0 42.2 56.7 66.4 74.3 77.9 82.8 82.3 74.7 69.0 58.2 39.0 64.5
1990 51.8 53.9 57.7 64.0 73.4 84.0 82.5 84.6 80.0 66.4 59.8 44.0 66.8
1991 42.8 53.7 59.8 67.4 75.4 81.0 85.0 82.5 75.2 68.1 51.7 50.3 66.1
1992 46.9 54.4 59.1 66.0 71.1 79.4 84.3 80.2 77.7 69.5 52.7 49.9 65.9
1993 45.1 49.0 56.1 63.3 71.9 81.7 87.3 87.5 78.2 63.8 51.6 49.5 65.4
1994 45.7 48.6 59.0 65.9 71.5 84.1 83.9 84.0 76.3 67.3 57.9 49.0 66.1
1995 48.2 52.5 56.9 64.2 73.2 79.9 85.5 85.5 76.6 67.8 54.8 47.5 66.1
1996 43.0 52.1 53.3 64.2 79.7 82.5 86.2 82.5 74.5 66.9 54.9 49.2 65.8
1997 44.0 49.5 58.3 60.4 70.1 78.8 84.9 83.1 80.2 67.2 52.1 45.6 64.5
1998 48.4 51.1 54.9 63.8 78.5 85.5 91.6 87.8 83.6 69.5 57.6 47.0 68.3
1999 48.6 55.5 56.4 67.9 73.8 82.1 86.1 90.2 79.0 69.2 62.9 51.5 68.6
2000 50.6 57.3 61.0 65.3 76.6 80.7 87.3 90.2 80.4 69.7 49.8 39.4 67.4
2001 42.7 50.2 51.8 67.8 74.2 80.3 86.7 84.9 74.6 65.0 59.7 49.5 65.6
POR=103 YRS 45.2 49.0 56.9 65.1 72.8 81.0 84.7 84.8 77.9 67.6 55.9 47.4 65.7

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 Dallas – Fort Worth, Texas (DFW)

HEATING DEGREE DAYS (base 65 F) 2001 DALLAS – FORT WORTH, TX (DFW)
YEAR JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN TOTAL
1972-73 0 0 3 96 446 644 690 475 155 182 12 0 2703
1973-74 0 0 1 36 182 509 656 352 173 70 1 0 1980
1974-75 0 0 20 16 296 546 489 508 355 112 0 0 2342
1975-76 0 0 4 33 266 500 616 217 222 48 20 0 1926
1976-77 0 0 0 214 459 614 931 431 241 37 0 0 2927
1977-78 0 0 0 55 257 536 962 786 346 54 41 0 3037
1978-79 0 0 0 27 247 578 911 635 261 78 29 0 2766
1979-80 0 0 0 34 370 478 597 530 339 102 6 0 2456
1980-81 0 0 18 99 330 486 625 448 284 26 23 0 2339
1981-82 0 0 10 116 228 541 625 569 232 140 9 0 2470
1982-83 0 0 1 94 316 495 663 454 324 186 21 2 2556
1983-84 0 0 12 52 269 933 789 401 281 89 11 0 2837
1984-85 0 0 38 66 322 389 837 558 171 37 0 0 2418
1985-86 0 0 19 53 285 696 495 400 164 41 5 0 2158
1986-87 0 0 0 61 376 580 632 387 342 109 0 0 2487
1987-88 0 0 0 55 297 540 703 512 301 70 0 0 2478
1988-89 0 0 0 51 240 487 460 630 294 102 4 0 2268
1989-90 0 0 14 80 251 799 401 306 251 102 19 0 2223
1990-91 0 0 0 100 190 646 681 314 198 37 7 0 2173
1991-92 0 0 12 69 405 456 555 302 182 73 14 0 2068
1992-93 0 0 0 14 366 474 612 445 290 120 4 0 2325
1993-94 0 0 2 145 414 476 594 451 229 83 27 0 2421
1994-95 0 0 6 71 226 487 521 348 289 86 13 0 2047
1995-96 0 0 22 41 304 549 671 403 384 104 0 0 2478
1996-97 0 0 14 51 308 483 650 429 213 155 16 0 2319
1997-98 0 0 0 89 383 593 512 383 347 86 0 0 2393
1998-99 0 0 0 31 226 559 505 266 263 39 3 0 1892
1999-00 0 0 0 44 118 421 447 239 169 77 0 0 1515
2000-01 0 0 12 64 458 785 685 417 402 41 0 0 2864
2001- 0 0 3 77 191 489

2001 Dallas – Fort Worth, Texas (DFW)

COOLING DEGREE DAYS (base 65 F) 2001 DALLAS – FORT WORTH, TX (DFW)
YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL
1972 2 14 57 185 249 498 569 618 480 183 4 0 2859
1973 1 0 6 60 230 435 593 559 342 146 33 0 2405
1974 0 2 115 101 341 419 660 563 202 153 20 2 2578
1975 0 0 15 107 236 483 580 620 331 189 39 9 2609
1976 0 32 59 52 138 421 537 602 338 72 0 0 2251
1977 0 0 7 94 391 581 693 626 505 112 6 2 3017
1978 0 0 16 125 301 524 733 614 462 153 37 0 2965
1979 0 1 9 67 179 489 613 551 366 220 14 0 2509
1980 0 0 11 52 320 668 844 737 485 117 35 10 3279
1981 0 5 5 158 200 467 654 577 352 155 8 0 2581
1982 1 2 77 71 252 433 614 679 403 160 40 10 2742
1983 0 0 7 61 171 382 582 626 381 145 46 0 2401
1984 0 0 20 60 288 531 644 652 376 135 16 12 2734
1985 0 5 51 108 287 460 608 706 408 139 29 0 2801
1986 0 19 24 112 212 480 673 578 464 91 3 0 2656
1987 0 0 6 114 318 442 576 674 370 111 23 0 2634
1988 4 0 28 61 247 467 639 714 433 78 39 1 2711
1989 1 0 45 154 297 393 561 542 314 208 52 0 2567
1990 1 2 30 79 286 575 551 617 457 152 41 2 2793
1991 0 3 42 115 335 484 624 550 324 174 14 5 2670
1992 0 2 4 109 213 437 606 480 386 161 4 13 2415
1993 0 0 19 75 223 507 697 701 406 115 20 4 2767
1994 3 0 50 119 238 578 591 596 350 149 19 1 2694
1995 5 5 44 67 271 456 641 643 374 132 6 12 2656
1996 0 37 27 87 464 531 663 549 302 120 10 2 2792
1997 6 0 12 24 181 423 622 566 461 163 3 0 2461
1998 0 0 45 56 424 623 831 710 563 177 9 9 3447
1999 4 5 4 134 282 520 662 785 425 181 63 9 3074
2000 7 23 49 93 364 475 698 787 482 215 7 0 3200
2001 0 6 0 134 293 465 682 624 300 86 39 13 2642

2001 Dallas – Fort Worth, Texas (DFW)

SNOWFALL (inches) 2001 DALLAS – FORT WORTH, TX (DFW)
YEAR JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN TOTAL
1972-73 0.0 0.0 0.0 0.0 T 1.4 2.3 T 0.0 0.0 0.0 0.0 3.7
1973-74 0.0 0.0 0.0 0.0 0.0 0.0 T 0.0 0.0 0.0 0.0 0.0 T
1974-75 0.0 0.0 0.0 0.0 T T T 3.7 T 0.0 0.0 0.0 3.7
1975-76 0.0 0.0 0.0 0.0 0.0 0.4 0.0 0.0 T 0.0 0.0 0.0 0.4
1976-77 0.0 0.0 0.0 0.0 5.0 0.0 5.4 0.0 0.0 0.0 0.0 0.0 10.4
1977-78 0.0 0.0 0.0 0.0 0.0 0.0 4.1 13.5 T 0.0 0.0 0.0 17.6
1978-79 0.0 0.0 0.0 0.0 0.0 0.8 1.8 0.7 0.0 0.0 0.0 0.0 3.3
1979-80 0.0 0.0 0.0 0.0 0.0 T 0.0 1.6 0.0 0.0 0.0 0.0 1.6
1980-81 0.0 0.0 0.0 0.0 0.0 0.0 T T 0.0 0.0 0.0 0.0 T
1981-82 0.0 0.0 0.0 0.0 0.0 0.0 0.8 T 0.0 0.0 0.0 0.0 0.8
1982-83 0.0 0.0 0.0 0.0 0.0 T T T 0.0 0.0 0.0 0.0 T
1983-84 0.0 0.0 0.0 0.0 0.0 2.0 0.0 0.0 0.0 0.0 0.0 0.0 2.0
1984-85 0.0 0.0 0.0 0.0 0.0 0.0 3.4 1.7 0.0 0.0 0.0 0.0 5.1
1985-86 0.0 0.0 0.0 0.0 0.0 T 0.0 0.8 0.0 0.0 0.0 0.0 0.8
1986-87 0.0 0.0 0.0 0.0 0.0 1.7 T T 0.5 0.0 0.0 0.0 2.2
1987-88 0.0 0.0 0.0 0.0 0.0 T 0.8 2.7 0.0 0.0 0.0 0.0 3.5
1988-89 0.0 0.0 0.0 0.0 0.0 T T 0.7 1.1 0.0 T 0.0 1.8
1989-90 0.0 0.0 0.0 0.0 0.0 T 0.0 0.0 0.0 T T 0.0 T
1990-91 0.0 0.0 0.0 0.0 0.0 0.3 0.3 0.0 0.0 0.0 0.0 0.0 0.6
1991-92 0.0 0.0 0.0 0.0 0.0 0.0 T 0.0 0.0 0.0 0.0 0.0 T
1992-93 0.0 0.0 0.0 0.0 0.0 T 0.0 0.0 0.0 0.0 0.0 0.0 T
1993-94 0.0 0.0 0.0 T 0.3 T T 0.1 T T T 0.0 0.4
1994-95 0.0 0.0 0.0 0.0 0.0 0.0 T 0.0 T T T 0.0 T
1995-96 0.0 0.0 0.0 0.0 T 0.0
1996-97 T T
1997-98
1998-99
1999-00
2000-01
2001-
POR=42 YRS 0.0 0.0 0.0 T 0.1 0.2 1.1 0.9 0.2 T T 0.0 2.5



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