| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.68 | -0.06 |
| Feb | 0.75 | 0.82 | -0.07 |
| Mar | 1.42 | 1.49 | -0.07 |
| Apr | 2.57 | 2.73 | -0.16 |
| May | 3.53 | 3.83 | -0.30 |
| Jun | 4.83 | 4.87 | -0.04 |
| Jul | 3.83 | 3.60 | 0.23 |
| Aug | 4.15 | 4.04 | 0.11 |
| Sep | 2.94 | 3.10 | -0.16 |
| Oct | 2.32 | 2.34 | -0.02 |
| Nov | 1.27 | 1.30 | -0.03 |
| Dec | 0.88 | 0.99 | -0.11 |
29.11 | 29.79 | -0.68 |