2001 SPOKANE WASHINGTON (GEG)



Spokane lies on the eastern edge of the broad Columbia Basin area of Washington which is bounded by the Cascade Range on the west and the Rocky Mountains on the east. The elevations in eastern Washington vary from less than 400 feet above sea level near Pasco where the Columbia River flows out of Washington to over 5,000 feet in the mountain areas of the extreme eastern edge of the State. Spokane is located on the upper plateau area where the long gradual slope from the Columbia River meets the sharp rise of the Rocky Mountain Ranges.

Much of the urban area of Spokane lies along both sides of the Spokane River at an elevation of approximately 2,000 feet, but the residential areas have spread to the crests of the plateaus on either side of the river with elevations up to 2,500 feet above sea level. Spokane International Airport is situated on the plateau area 6 miles west–southwest and some 400 feet higher than the downtown business district.

The climate of Spokane combines some of the characteristics of damp coastal type weather and arid interior conditions. Most of the air masses which reach Spokane are brought in by the prevailing westerly and southwesterly circulations. Frequently, much of the moisture in the storms that move eastward and southeastward from the Gulf of Alaska and the eastern Pacific Ocean is precipitated out as the storms are lifted across the Coast and Cascade Ranges. Annual precipitation totals in the Spokane area are generally less than 20 inches and less than 50 percent of the amounts received west of the Cascades. However, the precipitation and total cloudiness in the Spokane vicinity is greater than that of the desert areas of south–central Washington. The lifting action of the air masses as they move up the east slope of the Columbia Basin frequently produces the cooling and condensation necessary for formation of clouds and precipitation.

Infrequently, the Spokane area comes under the influence of dry continental air masses from the north or east. On occasions when these air masses penetrate into eastern Washington the result is high temperatures and very low humidity in the summer and sub–zero temperatures in the winter. In the winter most of the severe arctic outbursts of cold air move southward on the east side of the Continental Divide and do not affect Spokane.

In general, Spokane weather has the characteristics of a mild, arid climate during the summer months and a cold, coastal type in the winter. Approximately 70 percent of the total annual precipitation falls between the first of October and the end of March and about half of that falls as snow. The growing season usually extends over nearly six months from mid–April to mid–October. Irrigation is required for all crops except dry–land type grains. The summer weather is ideal for full enjoyment of the many mountain and lake recreational areas in the immediate vicinity. Winter weather includes many cloudy or foggy days and below freezing temperatures with occasional snowfall of several inches in depth. Sub–zero temperatures and traffic–stopping snowfalls are infrequent.

Based on the 1951–1980 period, the average first occurrence of 32 degrees Fahrenheit in the fall is October 6 and the average last occurrence in the spring is May 4.

NORMALS, MEANS, AND EXTREMES

SPOKANE, WA (GEG)

LATITUDE:    LONGITUDE:     ELEVATION (FT):    TIME ZONE:    WBAN: 24157

47 37′ 17″ N  117 31′ 40″ W  GRND: 2381  BARO: 2384  PACIFIC (UTC + 8)

2001 Spokane Washington (GEG)

ELEMENT PRO JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC YEAR
TEMPERATURE F NORMAL DAILY MAXIMUM 30 33.2 40.6 47.7 57.0 65.8 74.7 83.1 82.5 72.0 58.6 41.4 33.8 57.5
MEAN DAILY MAXIMUM 54 32.0 39.0 47.4 57.1 66.3 74.0 83.2 82.3 72.6 58.2 41.7 33.2 57.2
HIGHEST DAILY MAXIMUM 54 59 63 71 90 96 101 103 108 98 86 67 56 108
YEAR OF OCCURRENCE 1971 1995 1960 1977 1986 1992 1998 1961 1988 1997 1999 1980 AUG 1961
MEAN OF EXTREME MAXS. 54 45.9 51.2 61.8 73.6 84.3 90.2 96.6 96.0 88.7 75.1 55.7 47.2 72.2
NORMAL DAILY MINIMUM 30 20.8 25.9 29.6 34.7 41.9 49.2 54.4 54.3 45.8 36.0 28.8 21.7 36.9
MEAN DAILY MINIMUM 54 20.6 25.3 29.6 35.2 42.7 49.3 54.8 54.3 46.4 36.5 28.7 22.4 37.1
LOWEST DAILY MINIMUM 54 -22 -24 -7 17 24 33 37 35 22 10 -21 -25 -25
YEAR OF OCCURRENCE 1979 1996 1989 1966 1954 1984 1981 1965 2000 1991 1985 1968 DEC 1968
MEAN OF EXTREME MINS. 54 0.0 7.5 16.3 25.7 31.1 38.9 44.3 43.5 33.6 23.9 13.8 2.5 23.4
NORMAL DRY BULB 30 27.1 33.3 38.7 45.9 53.9 62.0 68.8 68.4 58.9 47.3 35.1 27.8 47.3
MEAN DRY BULB 54 26.3 32.1 38.5 46.1 54.4 61.7 69.0 68.4 59.6 47.4 35.2 27.8 47.2
MEAN WET BULB 17 27.6 29.7 35.7 40.9 46.9 52.0 55.9 51.8 49.4 41.2 33.4 26.3 40.9
MEAN DEW POINT 17 25.2 26.0 30.0 33.6 38.8 43.3 45.0 41.2 39.8 34.6 30.7 24.0 34.4
NORMAL NO. DAYS WITH:
MAXIMUM 90 30 0.0 0.0 0.0 * 0.3 2.1 8.4 7.2 1.0 0.0 0.0 0.0 19.0
MAXIMUM 32 30 14.2 4.6 0.9 0.0 0.0 0.0 0.0 0.0 0.0 0.1 4.1 13.8 37.7
MINIMUM 32 30 26.5 22.4 20.8 10.7 1.7 0.0 0.0 0.0 0.8 9.5 19.9 26.6 138.9
MINIMUM 0 30 2.3 0.5 * 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 2.1 5.2
H/C NORMAL HEATING DEG. DAYS 30 1175 888 815 573 344 139 30 56 223 549 897 1153 6842
NORMAL COOLING DEG. DAYS 30 0 0 0 0 0 49 148 161 40 0 0 0 398
RH NORMAL (PERCENT) 30 82 79 70 61 58 54 44 45 54 67 83 86 65
HOUR 04 LST 30 85 84 81 77 76 74 64 63 71 79 87 87 77
HOUR 10 LST 30 83 80 69 57 53 49 41 43 51 66 83 86 63
HOUR 16 LST 30 78 69 55 44 41 36 27 28 35 49 76 82 52
HOUR 22 LST 30 84 81 74 65 63 58 45 46 56 70 85 87 68
S PERCENT POSSIBLE SUNSHINE 48 28 41 55 61 65 67 80 78 72 55 29 23 54
W/O MEAN NO. DAYS WITH:
HEAVY FOG(VISBY 1/4 MI) 54 9.5 6.9 3.0 1.2 0.8 0.5 0.2 0.3 0.8 4.0 8.5 8.4 44.1
THUNDERSTORMS 54 0.0 0.0 0.3 0.7 1.6 2.8 2.4 2.1 0.9 0.3 0.1 0.0 11.2
CLOUDINESS MEAN:
SUNRISE-SUNSET (OKTAS) 1 7.2
MIDNIGHT-MIDNIGHT (OKTAS)
MEAN NO. DAYS WITH:
CLEAR 1 2.0 3.0 3.0 6.0
PARTLY CLOUDY 1 3.0 2.0 3.0 1.0
CLOUDY 1 4.0 3.0 10.0 10.0 4.0
PR MEAN STATION PRESSURE(IN) 27 27.57 27.54 27.47 27.49 27.48 27.49 27.52 27.51 27.55 27.58 27.53 27.58 27.53
MEAN SEA-LEVEL PRES. (IN) 17 30.13 30.09 30.01 29.98 29.93 29.94 29.96 29.95 29.99 30.06 30.08 30.15 30.02
WINDS MEAN SPEED (MPH) 39 8.4 9.1 9.7 10.0 9.3 9.3 8.7 8.2 8.1 8.1 8.6 8.3 8.8
PREVAIL. DIR (TENS OF DEGS) 23 05 05 22 22 22 22 22 22 22 05 05 05 22
MAXIMUM 2-MINUTE:
SPEED (MPH) 6 43 44 46 46 44 37 41 31 38 40 37 41 46
DIR. (TENS OF DEGS) 26 21 23 25 26 25 25 20 26 25 22 22 23
YEAR OF OCCURRENCE 2000 1999 2000 1997 1997 2000 1998 2001 1999 1999 1998 1998 MAR 2000
MAXIMUM 5-SECOND:
SPEED (MPH) 6 52 53 52 54 48 45 51 39 47 47 47 49 54
DIR. (TENS OF DEGS) 24 22 24 23 26 27 25 27 24 25 23 22 23
YEAR OF OCCURRENCE 2000 1999 2000 2000 1997 2000 1998 1996 1999 1999 1998 1998 APR 2000
PRECIPITATION NORMAL (IN) 30 1.98 1.49 1.49 1.18 1.41 1.26 0.67 0.72 0.73 0.99 2.15 2.42 16.49
MAXIMUM MONTHLY (IN) 54 4.96 3.94 3.81 3.08 5.71 3.06 2.33 1.83 2.05 4.05 5.10 5.13 5.71
YEAR OF OCCURRENCE 1959 1961 1995 1948 1948 1964 1990 1976 1959 1950 1973 1964 MAY 1948
MINIMUM MONTHLY (IN) 54 0.38 0.35 0.31 0.08 0.20 0.16 T T T 0.03 0.22 0.60 T
YEAR OF OCCURRENCE 1985 1988 1965 1956 1982 1960 1994 1988 1990 1987 1976 1976 JUL 1994
MAXIMUM IN 24 HOURS (IN) 54 1.48 1.11 1.08 1.51 1.67 2.07 1.80 1.09 1.12 1.23 1.41 1.60 2.07
YEAR OF OCCURRENCE 1954 1963 1995 2000 1948 1964 1990 1959 1973 1994 1960 1951 JUN 1964
NORMAL NO. DAYS WITH:
PRECIPITATION 0.01 30 13.1 10.8 11.1 8.9 9.2 7.7 4.5 5.1 5.7 7.1 12.8 14.7 110.7
PRECIPITATION 1.00 30 * 0.0 0.0 0.0 0.0 0.1 * 0.0 * 0.0 * 0.1 0.2
SNOWFALL NORMAL (IN) 30 14.2 6.7 3.6 0.9 0.2 0.0 0.0 0.0 0.0 0.3 6.4 15.1 47.4
MAXIMUM MONTHLY (IN) 53 56.9 28.5 15.3 6.6 3.5 T 0.0 0.0 T 6.1 24.7 42.0 56.9
YEAR OF OCCURRENCE 1950 1975 1962 1964 1967 1994 1991 1957 1955 1964 JAN 1950
MAXIMUM IN 24 HOURS (IN) 53 13.0 11.0 6.1 4.9 3.5 T 0.0 0.0 T 6.1 9.0 12.1 13.0
YEAR OF OCCURRENCE 1950 1993 1989 1964 1967 1994 1991 1957 1973 1951 JAN 1950
MAXIMUM SNOW DEPTH (IN) 52 39 42 16 2 0 0 0 0 0 4 12 23 42
YEAR OF OCCURRENCE 1969 1969 1969 1990 1957 1985 1951 FEB 1969
NORMAL NO. DAYS WITH:
SNOWFALL 1.0 30 4.7 2.5 1.4 0.3 0.* 0.0 0.0 0.0 0.0 0.1 2.1 5.0 16.1

2001 Spokane Washington (GEG)

PRECIPITATION (inches) 2001 SPOKANE WA (GEG)
YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL
1972 1.74 1.13 1.05 1.09 1.99 1.56 0.25 0.87 0.86 0.19 0.88 1.92 13.53
1973 2.05 0.48 0.77 0.42 1.34 0.57 T 0.19 1.44 0.97 5.10 3.78 17.11
1974 3.79 1.79 2.22 0.80 1.03 0.23 0.71 0.04 0.18 0.12 2.59 2.54 16.04
1975 2.53 3.12 1.83 1.78 1.41 1.45 1.60 0.93 0.03 2.23 1.94 2.42 21.27
1976 1.28 2.04 0.83 0.97 1.24 0.78 0.79 1.83 0.05 0.59 0.22 0.60 11.22
1977 0.75 0.52 1.15 0.13 1.71 1.45 0.11 1.25 1.42 0.44 2.12 4.52 15.57
1978 2.53 1.64 0.77 2.62 2.81 1.22 1.76 1.71 0.93 0.13 2.02 1.05 19.19
1979 1.11 2.19 1.03 0.69 1.60 0.78 0.85 1.01 0.78 1.22 1.15 1.94 14.35
1980 1.96 1.90 0.91 1.06 2.34 0.99 0.21 0.79 0.84 0.64 1.67 3.72 17.03
1981 1.00 1.41 1.57 0.85 2.02 1.92 0.51 0.04 0.59 1.53 0.96 2.51 14.91
1982 1.61 1.67 1.49 2.23 0.20 0.85 1.05 0.25 1.77 1.48 1.86 2.79 17.25
1983 1.89 2.07 2.20 0.61 0.92 2.84 1.85 0.96 0.79 1.33 4.80 2.38 22.64
1984 0.99 1.37 1.80 1.75 2.01 1.89 0.07 0.27 0.56 0.76 4.26 2.28 18.01
1985 0.38 0.93 1.39 0.28 1.13 0.67 0.26 0.19 1.64 1.40 2.23 0.71 11.21
1986 3.08 2.02 1.58 1.33 1.08 0.48 0.44 0.15 1.65 0.46 2.25 1.03 15.55
1987 1.59 0.88 2.18 1.12 0.90 0.59 2.27 1.81 0.01 0.03 1.37 4.93 17.68
1988 1.76 0.35 1.57 2.15 1.50 1.12 0.23 T 1.63 0.11 4.35 1.75 16.52
1989 0.82 1.34 2.87 0.72 2.17 0.41 0.40 1.61 0.18 1.58 1.66 0.95 14.71
1990 2.45 1.01 0.85 1.34 3.11 1.91 2.33 1.03 T 3.05 0.84 1.69 19.61
1991 1.72 0.81 2.31 1.35 1.72 1.13 0.58 0.17 0.01 0.34 3.08 1.23 14.45
1992 2.12 1.76 0.43 0.65 0.28 1.51 1.09 0.33 0.36 0.81 3.02 2.16 14.52
1993 1.40 0.86 1.13 1.90 1.36 0.48 2.08 1.24 0.28 0.42 0.68 1.80 13.63
1994 1.43 0.83 0.49 1.64 1.37 0.90 T 0.10 0.45 2.79 2.24 1.57 13.81
1995 2.74 1.60 3.81 0.93 1.33 2.17 1.08 0.63 0.66 1.50 0.77 2.63 19.85
1996 2.44 2.95 1.61 2.15 1.78 1.19 0.34 0.80 0.79 3.27 4.04 4.10 25.46
1997 1.67 1.40 2.40 2.56 2.27 0.63 0.80 0.14 0.92 1.67 1.99 1.00 17.45
1998 2.08 1.59 1.21 0.89 3.09 0.84 0.26 0.27 0.21 0.27 3.78 3.28 17.77
1999 1.89 3.27 0.69 0.44 0.73 1.36 0.13 1.07 T 0.89 2.06 2.26 14.79
2000 1.96 1.61 1.64 2.16 2.22 0.91 0.35 T 1.12 0.64 1.13 0.93 14.67
2001 0.63 0.66 1.37 1.71 0.79 1.10 0.28 0.26 0.17 2.10 2.61 2.03 13.71
POR=120 YRS 2.04 1.58 1.38 1.13 1.39 1.26 0.50 0.59 0.78 1.22 2.04 2.21 16.12

2001 Spokane Washington (GEG)

AVERAGE TEMPERATURE (F) 2001 SPOKANE WA (GEG)
YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL
1972 22.6 30.7 41.4 42.0 56.9 62.0 68.1 71.1 55.4 47.2 38.3 25.4 46.8
1973 27.0 34.9 41.1 46.2 56.5 62.0 71.2 69.1 59.7 47.2 33.7 33.3 48.5
1974 24.1 35.4 38.5 46.4 50.2 66.0 67.8 68.2 60.5 48.0 36.4 30.5 47.7
1975 23.6 24.7 34.0 41.7 52.7 59.2 72.4 64.1 61.0 46.9 33.8 30.9 45.4
1976 29.6 32.1 35.1 45.2 54.5 58.5 68.8 65.4 63.4 46.8 35.8 29.6 47.1
1977 22.0 35.1 38.2 50.9 51.6 65.0 67.0 71.2 55.1 46.5 34.0 26.2 46.9
1978 27.6 34.0 42.2 45.7 51.4 62.7 68.3 65.9 56.6 46.6 28.7 19.0 45.7
1979 10.5 28.8 40.4 45.5 54.7 62.7 70.4 70.0 63.1 51.1 30.5 35.2 46.9
1980 20.7 34.5 38.6 51.7 55.8 57.8 69.2 64.1 58.4 47.4 36.3 33.2 47.3
1981 32.8 33.9 40.9 45.7 52.0 57.0 65.1 71.5 59.7 45.9 39.9 29.7 47.8
1982 26.0 32.1 40.3 43.5 54.2 66.5 67.6 69.8 59.5 46.1 31.7 27.3 47.1
1983 35.8 38.1 43.0 46.3 57.1 61.9 65.5 72.3 57.1 49.7 39.3 16.2 48.5
1984 30.5 34.5 41.7 44.0 50.1 59.2 69.1 70.1 56.7 43.4 35.8 20.4 46.3
1985 21.4 24.9 35.9 48.0 56.2 61.8 75.0 64.9 53.3 44.7 19.5 19.3 43.7
1986 30.1 31.6 42.8 44.9 55.3 66.2 64.0 72.6 54.8 49.0 34.8 26.3 47.7
1987 26.5 35.1 41.8 51.1 57.2 65.1 66.6 66.2 62.8 49.5 38.1 25.9 48.8
1988 24.7 35.4 39.7 48.9 54.6 61.1 68.7 68.4 58.9 53.3 36.3 27.0 48.1
1989 28.8 21.8 36.6 48.9 53.1 64.3 68.7 64.8 60.1 47.0 38.0 31.0 46.9
1990 33.4 30.2 40.9 49.7 52.8 60.7 70.4 68.5 65.3 45.1 39.0 21.1 48.1
1991 25.7 39.2 36.8 45.8 51.6 56.6 68.7 70.2 61.8 46.2 34.2 32.8 47.5
1992 31.8 38.9 45.5 48.8 58.9 68.0 67.8 69.6 57.4 49.5 34.3 22.9 49.5
1993 21.9 25.4 37.8 45.5 59.8 60.2 60.2 64.2 58.7 50.0 29.4 30.9 45.3
1994 35.6 29.1 41.8 49.1 56.7 60.8 73.0 69.4 63.4 46.8 32.4 30.3 49.0
1995 31.0 37.3 39.9 45.5 56.8 60.1 67.9 63.9 61.2 43.9 40.2 28.6 48.0
1996 25.4 28.7 36.4 46.3 49.6 60.5 70.0 68.1 56.0 45.3 33.2 24.8 45.4
1997 28.4 31.7 39.2 43.3 56.7 59.9 67.6 71.0 61.9 47.3 38.6 29.3 47.9
1998 30.7 38.1 41.5 48.0 56.1 62.5 75.3 71.7 65.1 46.5 39.9 28.6 50.3
1999 32.2 34.9 39.9 44.9 50.6 59.9 66.2 70.3 59.1 47.4 41.4 31.6 48.2
2000 27.9 33.5 39.0 48.2 53.0 61.0 67.9 67.6 55.8 46.3 26.9 24.7 46.0
2001 27.2 26.8 39.2 43.7 55.4 58.7 68.4 71.1 63.3 45.9 39.9 28.1 47.3
POR=120 YRS 26.9 31.9 39.5 47.6 55.6 62.4 69.3 68.6 59.5 48.5 36.4 29.7 48.0

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 Spokane Washington (GEG)

HEATING DEGREE DAYS (base 65 F) 2001 SPOKANE WA (GEG)
YEAR JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN TOTAL
1972-73 36 18 292 545 795 1219 1171 838 734 558 286 152 6644
1973-74 17 47 193 546 933 978 1265 824 814 554 455 97 6723
1974-75 41 22 134 519 852 1062 1276 1122 953 694 375 173 7223
1975-76 22 75 136 554 933 1048 1091 946 922 588 317 213 6845
1976-77 20 71 74 556 871 1089 1324 832 824 436 409 66 6572
1977-78 57 56 289 563 921 1197 1154 862 701 576 412 101 6889
1978-79 37 97 252 562 1083 1424 1684 1011 756 577 313 134 7930
1979-80 41 4 91 423 1029 918 1365 880 809 392 283 211 6446
1980-81 19 77 195 543 854 977 992 867 741 570 395 243 6473
1981-82 73 7 209 584 747 1088 1202 912 761 639 328 76 6626
1982-83 62 17 193 582 996 1163 897 747 672 558 285 113 6285
1983-84 55 2 230 468 765 1508 1065 880 715 621 460 194 6963
1984-85 21 18 264 662 870 1381 1345 1117 895 501 280 128 7482
1985-86 0 64 343 622 1363 1409 1076 927 680 595 357 67 7503
1986-87 81 4 311 488 902 1193 1186 831 710 417 253 86 6462
1987-88 51 50 116 474 799 1206 1240 850 775 477 330 173 6541
1988-89 47 16 240 361 856 1171 1113 1205 873 473 364 65 6784
1989-90 22 76 149 554 805 1048 976 968 739 454 373 166 6330
1990-91 37 42 54 610 774 1356 1212 716 866 568 406 248 6889
1991-92 15 16 108 574 918 992 1024 750 598 477 206 61 5739
1992-93 32 60 232 481 916 1297 1331 1102 834 578 192 165 7220
1993-94 151 83 217 457 1063 1051 904 998 713 469 262 160 6528
1994-95 26 13 81 558 970 1071 1045 771 771 578 262 170 6316
1995-96 21 88 146 648 742 1120 1217 1045 880 556 471 143 7077
1996-97 35 49 281 603 949 1241 1130 928 794 642 264 154 7070
1997-98 35 15 116 549 785 1098 1058 747 721 505 276 90 5995
1998-99 0 20 101 565 748 1119 1010 836 769 594 448 186 6396
1999-00 75 36 181 540 703 1030 1143 908 799 496 363 142 6416
2000-01 51 43 285 572 1134 1245 1168 1060 795 634 320 201 7508
2001- 33 20 100 588 744 1136

2001 Spokane Washington (GEG)

COOLING DEGREE DAYS (base 65 F) 2001 SPOKANE WA (GEG)
YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL
1972 0 0 0 0 28 41 138 213 10 0 0 0 430
1973 0 0 0 0 31 67 216 177 39 0 0 0 530
1974 0 0 0 0 0 137 134 127 7 0 0 0 405
1975 0 0 0 0 0 7 256 57 20 0 0 0 340
1976 0 0 0 0 0 24 143 93 33 0 0 0 293
1977 0 0 0 18 2 72 126 254 0 0 0 0 472
1978 0 0 0 0 0 42 144 131 9 0 0 0 326
1979 0 0 0 0 1 73 217 166 39 0 0 0 496
1980 0 0 0 1 3 2 156 56 6 3 0 0 227
1981 0 0 0 0 0 9 82 213 60 0 0 0 364
1982 0 0 0 0 2 128 148 171 32 0 0 0 481
1983 0 0 0 0 46 26 77 235 1 0 0 0 385
1984 0 0 0 0 3 28 155 181 23 1 0 0 391
1985 0 0 0 0 15 36 317 68 0 0 0 0 436
1986 0 0 0 0 65 109 57 247 8 0 0 0 486
1987 0 0 0 8 20 94 110 97 53 1 0 0 383
1988 0 0 0 0 12 63 169 128 67 0 0 0 439
1989 0 0 0 0 0 49 145 78 9 0 0 0 281
1990 0 0 0 0 0 42 213 157 68 0 0 0 480
1991 0 0 0 0 0 0 139 187 20 0 0 0 346
1992 0 0 0 0 25 159 124 209 11 8 0 0 536
1993 0 0 0 0 36 27 11 64 34 0 0 0 172
1994 0 0 0 0 9 37 280 159 43 0 0 0 528
1995 0 0 0 0 14 29 119 59 38 0 0 0 259
1996 0 0 0 0 0 16 198 150 17 0 0 0 381
1997 0 0 0 0 14 9 122 209 30 6 0 0 390
1998 0 0 0 0 6 22 325 234 110 0 0 0 697
1999 0 0 0 0 7 41 118 210 14 0 0 0 390
2000 0 0 0 0 0 29 146 129 16 0 0 0 320
2001 0 0 0 0 29 19 146 213 54 0 0 0 461

2001 Spokane Washington (GEG)

SNOWFALL (inches) 2001 SPOKANE WA (GEG)
YEAR JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN TOTAL
1972-73 0.0 0.0 0.0 0.8 T 4.7 6.5 3.5 0.5 T 0.0 0.0 16.0
1973-74 0.0 0.0 0.0 0.8 23.6 9.1 15.0 4.4 2.5 0.4 0.4 0.0 56.2
1974-75 0.0 0.0 0.0 0.0 0.3 16.6 30.9 28.5 7.6 5.1 T 0.0 89.0
1975-76 0.0 0.0 0.0 3.9 11.4 6.9 15.3 6.3 4.6 0.4 0.0 0.0 48.8
1976-77 0.0 0.0 0.0 0.0 0.1 4.2 6.8 2.5 2.7 T T 0.0 16.3
1977-78 0.0 0.0 0.0 0.0 11.2 30.3 19.1 6.6 2.2 T T 0.0 69.4
1978-79 0.0 0.0 0.0 0.0 15.4 14.8 16.5 10.6 3.4 T T 0.0 60.7
1979-80 0.0 0.0 0.0 0.0 3.9 10.4 16.6 5.9 1.1 0.4 0.0 0.0 38.3
1980-81 0.0 0.0 0.0 0.0 1.2 6.8 2.6 3.3 T T 0.3 0.0 14.2
1981-82 0.0 0.0 0.0 T 0.8 13.0 23.3 2.2 2.1 6.0 T 0.0 47.4
1982-83 0.0 0.0 0.0 T 5.4 17.4 8.1 5.5 T 0.2 T 0.0 36.6
1983-84 0.0 0.0 0.0 0.0 5.7 24.8 5.3 8.0 1.9 1.3 0.8 0.0 47.8
1984-85 0.0 0.0 0.0 1.1 12.0 24.7 4.6 14.8 9.6 T T 0.0 66.8
1985-86 0.0 0.0 0.0 0.4 23.7 8.3 14.7 13.8 T 0.2 T 0.0 61.1
1986-87 0.0 0.0 0.0 0.0 5.0 7.9 11.7 1.1 T T T 0.0 25.7
1987-88 0.0 0.0 0.0 0.0 1.5 20.3 9.1 1.2 1.6 T T 0.0 33.7
1988-89 0.0 0.0 0.0 0.0 10.9 16.3 10.5 19.0 9.4 T T 0.0 66.1
1989-90 0.0 0.0 0.0 T 5.2 1.1 10.3 18.0 2.6 3.5 T 0.0 40.7
1990-91 0.0 0.0 0.0 0.0 1.2 14.3 15.9 1.1 9.5 0.2 0.0 0.0 42.2
1991-92 0.0 0.0 T 0.8 4.9 2.4 9.0 1.4 0.0 T 0.0 0.0 18.5
1992-93 0.0 0.0 0.0 0.0 11.1 40.2 18.8 15.1 2.1 T T T 87.3
1993-94 0.0 0.0 0.0 T 3.7 6.4 0.9 8.2 0.5 T 0.0 T 19.7
1994-95 0.0 0.0 0.0 0.8 13.7 6.3 3.9 4.4 0.7 T 0.0 0.0 29.8
1995-96 0.0 0.0 0.0 22.7
1996-97
1997-98 6.4 8.5 1.6 1.8 T 0.0 0.0
1998-99 0.0 0.0 0.0 T 0.8 11.2 8.7 14.7 3.8 2.7 0.6 0.0 42.5
1999-00 0.0 0.0 0.0 0.0 2.1 9.7 21.3 6.7 1.1 T 0.3
2000-01 0.0 0.0 0.0 T 10.9 15.1 9.6 8.3 2.2 2.5 0.0 0.0 48.6
2001- 0.0 0.0 0.0 0.7 12.5 21.9
POR=52 YRS 0.0 0.0 T 0.4 6.4 14.6 15.3 7.4 3.7 0.6 0.1 T 48.5



User Contributions:

Janine
Report this comment as inappropriate
Jan 19, 2012 @ 5:05 am
How neat! Is it really this smlipe? You make it look easy.

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