| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.17 | 2.98 | 0.19 |
| Feb | 2.31 | 2.26 | 0.05 |
| Mar | 3.11 | 3.02 | 0.09 |
| Apr | 3.07 | 3.01 | 0.06 |
| May | 4.41 | 4.58 | -0.17 |
| Jun | 4.49 | 4.72 | -0.23 |
| Jul | 3.11 | 3.78 | -0.67 |
| Aug | 3.23 | 3.31 | -0.08 |
| Sep | 4.49 | 4.84 | -0.35 |
| Oct | 4.18 | 4.13 | 0.05 |
| Nov | 3.35 | 3.41 | -0.06 |
| Dec | 2.78 | 2.86 | -0.08 |
41.70 | 42.90 | -1.20 |