| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.07 | 3.09 | -0.02 |
| Feb | 2.40 | 2.31 | 0.09 |
| Mar | 3.04 | 3.05 | -0.01 |
| Apr | 3.90 | 3.95 | -0.05 |
| May | 4.41 | 4.31 | 0.10 |
| Jun | 4.72 | 4.73 | -0.01 |
| Jul | 4.07 | 4.20 | -0.13 |
| Aug | 3.51 | 3.52 | -0.01 |
| Sep | 3.44 | 3.29 | 0.15 |
| Oct | 3.22 | 2.98 | 0.24 |
| Nov | 3.13 | 2.97 | 0.16 |
| Dec | 3.04 | 3.10 | -0.06 |
41.95 | 41.50 | 0.45 |