| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.69 | 3.84 | -0.15 |
| Feb | 4.16 | 4.30 | -0.14 |
| Mar | 4.74 | 4.83 | -0.09 |
| Apr | 4.98 | 5.04 | -0.06 |
| May | 5.07 | 5.37 | -0.30 |
| Jun | 4.43 | 4.60 | -0.17 |
| Jul | 4.49 | 4.46 | 0.03 |
| Aug | 3.50 | 3.21 | 0.29 |
| Sep | 3.53 | 3.48 | 0.05 |
| Oct | 3.70 | 3.79 | -0.09 |
| Nov | 4.02 | 4.13 | -0.11 |
| Dec | 4.55 | 4.52 | 0.03 |
50.86 | 51.57 | -0.71 |