| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.90 | 3.21 | -0.31 |
| Feb | 2.41 | 2.52 | -0.11 |
| Mar | 3.54 | 3.63 | -0.09 |
| Apr | 3.88 | 3.98 | -0.10 |
| May | 4.17 | 4.15 | 0.02 |
| Jun | 4.30 | 4.49 | -0.19 |
| Jul | 4.48 | 4.45 | 0.03 |
| Aug | 3.57 | 3.55 | 0.02 |
| Sep | 3.08 | 3.28 | -0.20 |
| Oct | 2.82 | 2.93 | -0.11 |
| Nov | 2.78 | 2.95 | -0.17 |
| Dec | 3.04 | 3.15 | -0.11 |
40.97 | 42.29 | -1.32 |