| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.60 | 0.68 | -0.08 |
| Feb | 0.58 | 0.63 | -0.05 |
| Mar | 1.12 | 1.16 | -0.04 |
| Apr | 1.93 | 2.06 | -0.13 |
| May | 3.16 | 3.35 | -0.19 |
| Jun | 4.30 | 4.27 | 0.03 |
| Jul | 3.84 | 4.07 | -0.23 |
| Aug | 2.83 | 2.94 | -0.11 |
| Sep | 2.91 | 2.84 | 0.07 |
| Oct | 2.53 | 2.63 | -0.10 |
| Nov | 1.02 | 1.07 | -0.05 |
| Dec | 0.73 | 0.90 | -0.17 |
25.55 | 26.60 | -1.05 |