| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.58 | -0.12 |
| Feb | 3.20 | 3.37 | -0.17 |
| Mar | 3.53 | 3.72 | -0.19 |
| Apr | 3.13 | 3.18 | -0.05 |
| May | 3.91 | 3.86 | 0.05 |
| Jun | 4.99 | 5.05 | -0.06 |
| Jul | 5.92 | 6.41 | -0.49 |
| Aug | 6.27 | 7.04 | -0.77 |
| Sep | 6.10 | 6.68 | -0.58 |
| Oct | 4.05 | 4.50 | -0.45 |
| Nov | 3.22 | 3.23 | -0.01 |
| Dec | 3.79 | 3.68 | 0.11 |
51.57 | 54.30 | -2.73 |