Annual
Climatology: Yakima, WA (YKM)
Elev: 324.3 m Lat: 46o 34'N Long: 120o 33'W

Figure 1: Average Temperatures and Precipitation 1971-2000. (NCDC Data)
|
Month |
Daily Max |
Daily Min |
Mean |
Maximum Daily Temperature |
Minimum Daily Temperature |
|
January |
3.2 |
-6.4 |
-1.6 |
20.0 |
-29.4 |
|
February |
7.6 |
-4.1 |
1.8 |
20.6 |
-31.7 |
|
March |
13.3 |
-1.7 |
5.8 |
26.7 |
-18.3 |
|
April |
17.8 |
0.7 |
9.3 |
33.3 |
-6.7 |
|
May |
22.4 |
4.4 |
13.4 |
38.9 |
-3.9 |
|
June |
26.4 |
7.9 |
17.2 |
40.6 |
-1.1 |
|
July |
30.7 |
10.5 |
20.6 |
42.2 |
1.1 |
|
August |
30.3 |
10.1 |
20.2 |
43.3 |
1.7 |
|
September |
25.3 |
5.7 |
15.6 |
37.8 |
-4.4 |
|
October |
17.9 |
0.5 |
9.2 |
31.1 |
-11.7 |
|
November |
8.7 |
-3.2 |
2.8 |
22.8 |
-25.0 |
|
December |
2.8 |
-6.4 |
-1.8 |
19.4 |
-27.2 |
|
Annual |
17.2 |
1.5 |
9.4 |
43.3 |
-31.7 |
|
Month |
Mean |
Median |
Extreme |
Year |
Snow* |
|
January |
29.7 |
28.7 |
93.5 |
1995 |
177.8 |
|
February |
20.3 |
18.8 |
46.0 |
1996 |
83.8 |
|
March |
17.8 |
15.0 |
49.5 |
1983 |
33.0 |
|
April |
13.5 |
11.2 |
46.5 |
1995 |
0.0 |
|
May |
13.0 |
12.4 |
31.5 |
1996 |
Tr |
|
June |
15.7 |
10.9 |
64.3 |
1991 |
0.0 |
|
July |
5.6 |
4.1 |
17.5 |
1995 |
0.0 |
|
August |
9.1 |
4.1 |
53.3 |
1975 |
0.0 |
|
September |
9.9 |
6.6 |
52.6 |
1986 |
0.0 |
|
October |
13.5 |
9.9 |
43.7 |
1997 |
5.1 |
|
November |
26.7 |
23.1 |
71.9 |
1973 |
83.8 |
|
December |
35.1 |
27.4 |
142.0 |
1996 |
241.3 |
|
Annual |
209.8 |
200.4 |
|
|
624.8 |
* Snowfall totals represent
mean snowfall 1971-2000
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