| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.98 | -0.24 |
| Feb | 0.78 | 0.90 | -0.12 |
| Mar | 1.61 | 1.71 | -0.10 |
| Apr | 2.90 | 3.12 | -0.22 |
| May | 4.18 | 4.12 | 0.06 |
| Jun | 4.58 | 4.65 | -0.07 |
| Jul | 4.12 | 4.32 | -0.20 |
| Aug | 4.50 | 4.39 | 0.11 |
| Sep | 3.27 | 3.22 | 0.05 |
| Oct | 2.68 | 2.79 | -0.11 |
| Nov | 1.58 | 1.71 | -0.13 |
| Dec | 1.06 | 1.28 | -0.22 |
32.00 | 33.19 | -1.19 |