| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.74 | 0.04 |
| Feb | 0.99 | 0.95 | 0.04 |
| Mar | 1.68 | 1.73 | -0.05 |
| Apr | 2.80 | 2.82 | -0.02 |
| May | 5.40 | 5.38 | 0.02 |
| Jun | 4.66 | 4.88 | -0.22 |
| Jul | 3.96 | 3.94 | 0.02 |
| Aug | 3.51 | 3.36 | 0.15 |
| Sep | 2.93 | 3.03 | -0.10 |
| Oct | 2.37 | 2.42 | -0.05 |
| Nov | 1.39 | 1.41 | -0.02 |
| Dec | 1.21 | 1.16 | 0.05 |
31.68 | 31.82 | -0.14 |