| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.39 | 2.47 | -0.08 |
| Feb | 1.95 | 2.10 | -0.15 |
| Mar | 2.24 | 2.30 | -0.06 |
| Apr | 3.61 | 3.65 | -0.04 |
| May | 4.13 | 4.24 | -0.11 |
| Jun | 4.11 | 4.13 | -0.02 |
| Jul | 3.86 | 3.67 | 0.19 |
| Aug | 3.82 | 3.90 | -0.08 |
| Sep | 3.08 | 2.99 | 0.09 |
| Oct | 3.11 | 3.01 | 0.10 |
| Nov | 2.79 | 2.98 | -0.19 |
| Dec | 2.36 | 2.30 | 0.06 |
37.45 | 37.74 | -0.29 |