| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.18 | 1.17 | 0.01 |
| Feb | 1.14 | 1.11 | 0.03 |
| Mar | 1.94 | 1.93 | 0.01 |
| Apr | 3.89 | 3.81 | 0.08 |
| May | 4.84 | 4.77 | 0.07 |
| Jun | 5.47 | 5.60 | -0.13 |
| Jul | 4.39 | 4.20 | 0.19 |
| Aug | 4.32 | 4.38 | -0.06 |
| Sep | 3.89 | 3.87 | 0.02 |
| Oct | 2.79 | 2.72 | 0.07 |
| Nov | 1.95 | 1.87 | 0.08 |
| Dec | 1.43 | 1.41 | 0.02 |
37.23 | 36.84 | 0.39 |