| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.23 | 3.34 | -0.11 |
| Feb | 2.90 | 3.03 | -0.13 |
| Mar | 3.48 | 3.68 | -0.20 |
| Apr | 3.60 | 3.87 | -0.27 |
| May | 3.56 | 3.72 | -0.16 |
| Jun | 4.41 | 4.55 | -0.14 |
| Jul | 4.12 | 4.19 | -0.07 |
| Aug | 4.32 | 4.38 | -0.06 |
| Sep | 4.35 | 4.61 | -0.26 |
| Oct | 4.55 | 4.87 | -0.32 |
| Nov | 3.38 | 3.53 | -0.15 |
| Dec | 3.97 | 4.13 | -0.16 |
45.87 | 47.90 | -2.03 |