| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.32 | 2.57 | -0.25 |
| Feb | 2.63 | 2.61 | 0.02 |
| Mar | 3.53 | 3.47 | 0.06 |
| Apr | 3.40 | 3.38 | 0.02 |
| May | 4.61 | 4.42 | 0.19 |
| Jun | 3.86 | 3.73 | 0.13 |
| Jul | 1.90 | 2.05 | -0.15 |
| Aug | 2.25 | 2.18 | 0.07 |
| Sep | 2.97 | 3.10 | -0.13 |
| Oct | 4.31 | 4.49 | -0.18 |
| Nov | 2.72 | 2.92 | -0.20 |
| Dec | 2.73 | 2.93 | -0.20 |
37.23 | 37.85 | -0.62 |