| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.02 | 3.41 | -0.39 |
| Feb | 2.45 | 2.62 | -0.17 |
| Mar | 3.24 | 3.28 | -0.04 |
| Apr | 3.46 | 3.46 | 0.00 |
| May | 3.83 | 3.94 | -0.11 |
| Jun | 4.49 | 4.46 | 0.03 |
| Jul | 4.34 | 4.29 | 0.05 |
| Aug | 3.60 | 3.68 | -0.08 |
| Sep | 3.51 | 3.67 | -0.16 |
| Oct | 3.02 | 3.16 | -0.14 |
| Nov | 2.95 | 3.09 | -0.14 |
| Dec | 3.19 | 3.33 | -0.14 |
41.10 | 42.39 | -1.29 |