YAKIMA, WASHINGTON
NORMALS, MEANS, AND EXTREMES

LATITUDE: 46 Deg. 34 Min. N LONGITUDE: 120 Deg. 32 Min. W ELEVATION: FT. GRND 1052 BARO 1068 TIME ZONE: PACIFIC WBAN: 24243

(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






49

49



37.5
21.8
29.7

68
1977
-21
1950


46.4
26.4
36.4

69
1947
-25
1950


55.2
30.8
43.0

80
1960
-1
1960


63.2
35.5
49.4

92
1977
20
1985


71.6
42.3
57.0

102
1986
25
1954


79.9
49.2
64.6

105
1992
30
1984


86.7
53.1
69.9

108
1971
34
1971


85.7
52.3
69.0

110
1971
35
1960


76.8
44.6
60.7

100
1988
24
1985


64.4
35.3
49.9

88
1992
1.1
1971


48.3
29.0
38.6

73
1989
-13
1985


37.5
22.1
29.8

67
1980
-17
1964


62.8
36.9
49.8

110
AUG 1971
-25
FEB 1950
NORMAL DEGREE DAYS
Heating (base 65 Deg. F)
Cooling (base 65 Deg. F)




1094
0

801
0

682
0

468
0

255
7

90
78

19
171

38
162

169
40

468
0

792
0

1091
0

5967
458
% OF POSSIBLE SUNSHINE














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

49


49
49
49

49

47
49

49


49
49

49
49

7.9


4.0
5.4
21.6

9.5

2.6
0.0

4.7


0.0
9.9

27.9
2.2

7.5


4.4
5.8
18.1

7.0

1.2
0.*

2.3


0.0
2.6

23.6
0.5

6.8


6.2
8.2
16.6

6.5

0.6
0.1

0.6


0.*
0.2

20.6
0.*

6.5


6.2
9.4
14.4

4.8

0.0
0.4

0.1


0.1
0.0

11.9
0.0

5.9


8.4
10.5
12.1

5.1

0.0
1.1

0.1


1.4
0.0

2.7
0.0

5.3


10.3
9.8
9.9

5.0

0.0
1.7

0.0


4.6
0.0

0.1
0.0

3.2


18.7
8.0
4.3

2.2

0.0
1.4

0.*


13.4
0.0

0.0
0.0

3.5


17.5
7.8
5.6

2.8

0.0
1.3

0.0


10.6
0.0

0.0
0.0

4.0


15.0
7.9
7.1

3.2

0.0
0.6

0.1


2.3
0.0

1.0
0.0

5.8


9.5
8.3
13.2

5.1

0.1
0.1

0.7


0.0
0.0

11.1
0.0

7.4


5.1
6.0
18.9

8.4

0.7
0.0

3.4


0.0
1.6

21.4
0.2

7.9


4.0
5.2
21.8

9.7

2.6
0.0

6.7


0.0
8.4

27.8
0.8

6.0


109.2
92.4
163.6

69.2

7.7
6.7

18.6


3.2
22.7

148.2
3.8
AV. STATION PRES. (mb)
20
982.2
979.4
976.9
977.3
976.3
976.2
976.3
975.8
977.8
979.8
980.1
982.1
978.3
RELATIVE HUMIDITY (%)
Hour 04
Hour 10 (Local Time)
Hour 16
Hour 22

46
49
49
45

83
79
71
82

83
71
58
79

77
54
41
69

72
42
33
59

70
39
31
56

70
39
31
55

68
36
26
51

71
39
28
55

77
44
32
65

81
55
43
74

84
73
63
81

85
81
75
84

77
54
44
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



49

49

49


49

49



1.21
3.68
1995
0.09
1985
1.37
1963

26.6
1950
13.6
1963


0.74
2.46
1961
T
1988
0.87
1961

16.5
1949
8.2
1994


0.67
2.63
1.57
0.01
1973
0.74
1987

10.8
1971
7.4
1951


0.50
1.83
1995
T
1985
1.25
1974

0.2
1993
0.2
1993


0.45
2.76
1948
0.03
1964
0.90
1986

T
1994
T
1994


0.53
2.53
1991
0.01
1970
1.56
1982

0.0

0.0



0.16
0.71
1966
T
1988
0.66
1963

0.0

0.0



0.40
2.10
1975
0.00
1955
1.74
1990

0.0

0.0



0.40
2.07
1986
0.00
1986
1.49
1986

0.0

0.0



0.47
2.22
1950
0.00
1978
1.05
1982

2.9
1991
2.4
1991


1.03
2.83
1973
T
1990
1.08
1955

21.2
1955
11.2
1984


1.41
4.19
1964
0.07
1976
1.58
1977

37.5
19.4
14.0
1964


7.97
4.19
DEC 1964
0.00
SEP 1986
1.74
AUG 1990

37.5
DEC 1964
14.0
DEC 1964
WIND
Mean Speed (mph)
Prevailing Direction
through 1964
Fastest Mile
-Direction(!!)
-Speed(mph)
-Year
Peak Gust
-Direction(!!)
-Speed(mph)
-Date

41



41



12
12


5.6

W

25
44
1962

W
55
1988

6.4

W

28
48
1967

W
56
1985

7.9

W

23
48
1956

W
51
1988

8.6

WNW

29
46
1961

S
52
1989

8.5

WNW

18
4
1961

NE
69
1985

8.2

NW

2
47
1955

SE
51
1987

7.8

WNW

24
43
1968

SW
59
1994

7.4

WNW

29
35
1988

S
44
1993

7.3

WNW

30
38
1992

NW
55
1992

6.6

WNW

31
41
1988

SW
54
1990

5.8

W

29
45
1955

NW
58
1989

5.2

W

23
48
1955

W
61
1991

7.1

WNW

28
48
FEB 1967

NE
69
MAY 1985
(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.