| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.96 | -0.24 |
| Feb | 0.77 | 0.89 | -0.12 |
| Mar | 1.56 | 1.71 | -0.15 |
| Apr | 2.88 | 3.10 | -0.22 |
| May | 4.12 | 4.27 | -0.15 |
| Jun | 4.48 | 4.61 | -0.13 |
| Jul | 4.20 | 4.31 | -0.11 |
| Aug | 4.36 | 4.24 | 0.12 |
| Sep | 3.31 | 3.32 | -0.01 |
| Oct | 2.74 | 2.77 | -0.03 |
| Nov | 1.55 | 1.72 | -0.17 |
| Dec | 1.01 | 1.30 | -0.29 |
31.70 | 33.20 | -1.50 |