West Climate Region, Precipitation Rankings, May 2009
1901-2000
Inches
1
0.98
0.92
0.06
81
48
1924
1998
2008
2005
normal
2
1.75
2.26
-0.51
48
81
1909
1896
2008
2006
normal
1986
3
3.35
4.59
-1.24
32
97
2008
1995
2008
2006
bottom-third
4
6.55
7.31
-0.76
58
71
1997
1998
2008
2006
normal
5
7.65
10.29
-2.64
34
95
2022
1998
2007
2008
bottom-third
6
9.91
12.84
-2.93
34
94
1924
1995
2007
2008
bottom-third
7
11.79
14.71
-2.92
39
89
1977
1995
2008
2006
bottom-third
8
12.35
15.74
-3.39
36
92
1977
1983
2007
2008
bottom-third
9
12.43
16.23
-3.80
27
101
2021
1983
2007
2008
bottom-third
10
12.57
16.62
-4.05
27
101
2021
1983
2007
2008
bottom-third
11
12.79
16.95
-4.16
24
104
2021
1983
2007
2008
bottom-third
12
12.91
17.44
-4.53
20
108
2021
1983
2007
2008
bottom-third
1950
18
23.76
30.25
-6.49
20
107
1977
1983
2008
2007
bottom-third
24
26.96
34.89
-7.93
17
110
2022
1983
2008
2007
bottom-third
36
37.56
52.30
-14.74
4
122
2022
1984
1931
2008
bottom-tenth
48
59.97
69.56
-9.59
21
104
2015
1998
2004
2008
bottom-third
60
83.41
86.83
-3.42
59
65
1933
1999
2005
2008
normal