| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.74 | 1.83 | -0.09 |
| Feb | 1.77 | 1.81 | -0.04 |
| Mar | 2.24 | 2.30 | -0.06 |
| Apr | 3.72 | 3.70 | 0.02 |
| May | 4.72 | 4.79 | -0.07 |
| Jun | 4.54 | 4.34 | 0.20 |
| Jul | 3.87 | 3.75 | 0.12 |
| Aug | 3.95 | 3.85 | 0.10 |
| Sep | 3.35 | 3.43 | -0.08 |
| Oct | 3.29 | 3.24 | 0.05 |
| Nov | 2.54 | 2.50 | 0.04 |
| Dec | 1.98 | 2.12 | -0.14 |
37.71 | 37.66 | 0.05 |