| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.23 | 3.39 | -0.16 |
| Feb | 2.55 | 2.90 | -0.35 |
| Mar | 3.67 | 3.98 | -0.31 |
| Apr | 3.60 | 3.90 | -0.30 |
| May | 3.68 | 3.76 | -0.08 |
| Jun | 4.34 | 4.71 | -0.37 |
| Jul | 4.19 | 4.30 | -0.11 |
| Aug | 4.30 | 4.66 | -0.36 |
| Sep | 4.22 | 4.38 | -0.16 |
| Oct | 4.27 | 4.55 | -0.28 |
| Nov | 3.22 | 3.37 | -0.15 |
| Dec | 3.81 | 4.17 | -0.36 |
45.08 | 48.07 | -2.99 |