| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.13 | 0.19 |
| Feb | 2.60 | 2.38 | 0.22 |
| Mar | 2.83 | 2.80 | 0.03 |
| Apr | 2.23 | 2.14 | 0.09 |
| May | 2.20 | 2.16 | 0.04 |
| Jun | 1.74 | 1.67 | 0.07 |
| Jul | 0.52 | 0.51 | 0.01 |
| Aug | 0.47 | 0.48 | -0.01 |
| Sep | 0.92 | 0.91 | 0.01 |
| Oct | 1.77 | 1.80 | -0.03 |
| Nov | 2.89 | 2.79 | 0.10 |
| Dec | 3.93 | 3.71 | 0.22 |
25.42 | 24.48 | 0.94 |