| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.71 | -0.06 |
| Feb | 0.68 | 0.71 | -0.03 |
| Mar | 1.28 | 1.33 | -0.05 |
| Apr | 2.20 | 2.32 | -0.12 |
| May | 3.50 | 3.50 | 0.00 |
| Jun | 4.31 | 4.36 | -0.05 |
| Jul | 4.42 | 4.41 | 0.01 |
| Aug | 3.49 | 3.31 | 0.18 |
| Sep | 2.95 | 2.88 | 0.07 |
| Oct | 2.72 | 2.72 | 0.00 |
| Nov | 1.29 | 1.32 | -0.03 |
| Dec | 0.91 | 0.94 | -0.03 |
28.40 | 28.51 | -0.11 |