| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.05 | 3.15 | -0.10 |
| Feb | 2.40 | 2.38 | 0.02 |
| Mar | 3.45 | 3.48 | -0.03 |
| Apr | 4.25 | 4.20 | 0.05 |
| May | 4.53 | 4.49 | 0.04 |
| Jun | 4.44 | 4.52 | -0.08 |
| Jul | 4.10 | 4.16 | -0.06 |
| Aug | 3.21 | 3.19 | 0.02 |
| Sep | 3.09 | 2.95 | 0.14 |
| Oct | 2.95 | 2.89 | 0.06 |
| Nov | 3.02 | 2.95 | 0.07 |
| Dec | 3.08 | 3.05 | 0.03 |
41.57 | 41.41 | 0.16 |