SPOKANE, WASHINGTON
NORMALS, MEANS, AND EXTREMES

LATITUDE: 47 Deg. 38 Min. N LONGITUDE: 117 Deg. 32 Min. W ELEVATION: FT. GRND 2356 BARO 2360 TIME ZONE: PACIFIC WBAN: 24157

(a)
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
YEAR
TEMPERATURE (Deg. F)
Normals
-Daily Maximum
-Daily Minimum
-Monthly
Extremes
-Record Highest
-Year
-Record Lowest
-Year






48

48



33.2
20.8
27.1

59
1971
-22
1979


40.6
25.9
33.3

63
1995
-17
1979


47.7
29.6
38.7

71
1960
-7
1989


57.0
34.7
45.9

90
1977
17
1966


65.8
41.9
53.9

96
1986
24
1954


74.7
49.2
62.0

101
1992
33
1984


83.1
54.4
68.8

103
1967
37
1981


82.5
54.3
68.4

108
1961
35
1965


72.0
45.8
58.9

98
1988
24
1985


58.6
36.0
47.3

86
1980
10
1991


41.4
28.8
35.1

67
1975
-21
1985


33.8
21.7
27.8

56
1980
-25
1968


57.5
36.9
47.3

108
AUG 1961
-25
DEC 1968
NORMAL DEGREE DAYS
Heating (base 65 Deg. F)
Cooling (base 65 Deg. F)




1175
0

888
0

815
0

57
0

344
0

139
49

30
148

56
161

123
40

549
0

897
0

1153
0

6842
398
% OF POSSIBLE SUNSHINE
47
28
41
55
61
65
67
80
78
72
55
29
23
55
MEAN SKY COVER(tenths)
Sunrise - Sunset
MEAN NUMBER OF DAYS:
Sunrise to Sunset
-Clear
-Partly Cloudy
-Cloudy
Precipitation
.01 inches or more
Snow, Ice Pellets, Hail
1.0 inches or more
Thunderstorms
Heavy Fog Visibility
1/4 mile or less
Temperature Deg. F
-Maximum
90 Deg. F and above
32 Deg. F and below
-Minimum
32 Deg. F and below
0 Deg. F and below

48


48
48
48

48

48
48

48


36
36

36
36

8.3


3.1
4.1
23.8

13.9

5.1
0.*

9.3


0.0
14.1

26.2
2.3

7.9


3.4
4.9
19.9

11.1

2.8
0.*

7.1


0.0
4.8

22.3
0.5

7.3


4.5
7.8
18.7

11.2

1.5
0.3

3.0


0.0
0.9

20.6
0.1

7.1


4.5
8.2
17.3

8.9

0.2
0.7

1.2


0.*
0.0

10.2
0.0

6.6


5.9
10.1
15.0

9.4

0.*
1.6

0.8


0.3
0.0

1.6
0.0

6.1


7.3
10.3
12.5

7.9

0.0
2.8

0.5


2.1
0.0

0.0
0.0

3.9


16.1
8.5
6.4

4.7

0.0
2.4

0.2


8.4
0.0

0.0
0.0

4.2


15.2
8.6
7.3

4.9

0.0
2.1

0.3


7.1
0.0

0.0
0.0

4.8


12.3
8.3
9.3

5.5

0.0
0.8

0.8


0.9
0.0

0.8
0.0

6.3


8.0
7.8
15.2

7.5

0.1
0.3

4.0


0.0
0.1

9.3
0.0

8.1


3.3
5.0
21.7

12.6

2.1
0.1

8.5


0.0
3.9

20.2
0.3

8.4


2.8
3.9
24.2

14.6

4.9
0.0

11.7


0.0
13.8

26.6
1.8

6.6


86.4
87.5
191.4

112.1

16.7
11.2

47.5


18.7
37.6

137.7
4.9
AV. STATION PRES. (mb)
22
933.9
932.9
930.2
931.0
930.5
930.9
931.8
931.5
932.8
933.8
932.7
934.1
932.2
RELATIVE HUMIDITY (%)
Hour 04
Hour 10 (Local Time)
Hour 16
Hour 22

36
36
36
36

86
84
79
84

85
80
69
81

81
69
54
73

77
57
44
66

77
52
40
63

75
49
36
58

65
41
28
46

63
43
28
46

71
51
34
56

79
65
49
70

87
83
76
85

88
86
83
87

78
63
52
68
PRECIPITATION (in.)
Water Equivalent
-Normal
-Maximum Monthly
-Year
-Minimum Monthly
-Year
-Maximum in 24 hrs
-Year
Snow, Ice Pellets, Hail
-Maximum Monthly
-Year
-Maximum in 24 hrs
-Year



48

48

48


48

48



1.98
4.96
1959
0.38
1985
1.48
1954

56.9
1950
13.0
1950


1.49
3.94
1961
0.35
1988
1.11
1963

28.5
1975
11.0
1993


1.49
3.81
1995
0.31
1965
1.08
1995

15.3
1962
6.1
1989


1.18
3.08
1948
0.08
1956
1.01
1982

6.6
1964
4.9
1964


1.41
5.71
1948
0.20
1982
1.67
1948

3.5
1967
3.5
1967


1.26
3.06
1964
0.16
1960
2.07
1964

T
1994
T
1994


0.67
2.33
1990
T
1994
1.80
1990

0.0

0.0



0.72
1.83
1976
T
1988
1.09
1959

0.0

0.0



0.73
2.05
1959
T
1990
1.12
1973

T
1991
T
1991


0.99
4.05
1950
0.03
1987
1.23
1994

6.1
1957
6.1
1957


2.15
5.10
1973
0.22
1976
1.41
1960

24.7
1955
9.0
1973


2.42
5.13
1964
0.60
1976
1.60
1951

42.0
1964
12.1
1951


16.49
5.71
MAY 1948
T
JUL 1994
2.07
JUN 1964

56.9
JAN 1950
13.0
JAN 1950
WIND
Mean Speed (mph)
Prevailing Direction
through 1964
Fastest Mile
-Direction(!!)
-Speed(mph)
-Year
Peak Gust
-Direction(!!)
-Speed(mph)
-Date

48



46
46


12
12


8.8

NE

SW
59
1972

SW
56
1986

9.2

SSW

SW
54
1949

S
51
1987

9.6

SSW

SW
54
1971

W
52
1988

10.0

SW

SW
52
1987

SW
62
1987

9.2

SSW

W
49
1957

W
53
1986

9.3

SSW

SW
44
1986

SW
49
1989

8.6

SW

SW
43
1970

SW
51
1989

8.3

SW

SW
50
1982

W
47
1993

8.2

NE

SW
38
1961

SW
47
1987

8.2

SSW

SW
56
1950

SW
62
1991

8.7

NE

SW
54
1949

SW
56
1990

8.7

NE

SW
51
1956

22
63
1995

8.9

SSW

SW
59
JAN 1972

22
63
DEC 1995
(a) - Length of Record in Years, although individual months may be missing.
0.* or * - The value is between 0.0 and 0.05.
Normals - Based on the 1961 - 1990 record period.
Extremes - Dates are the most recent occurrence.
Wind Dir.- Numerals show tens of degrees clockwise from true north. "00" indicates calm.
Resultant Directions are given to whole degrees.