| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.86 | 4.66 | 0.20 |
| Feb | 4.72 | 4.54 | 0.18 |
| Mar | 4.91 | 4.86 | 0.05 |
| Apr | 4.01 | 4.03 | -0.02 |
| May | 4.17 | 3.78 | 0.39 |
| Jun | 4.54 | 4.54 | 0.00 |
| Jul | 4.21 | 4.00 | 0.21 |
| Aug | 4.98 | 4.57 | 0.41 |
| Sep | 4.04 | 3.99 | 0.05 |
| Oct | 3.78 | 3.65 | 0.13 |
| Nov | 4.10 | 3.93 | 0.17 |
| Dec | 4.72 | 4.54 | 0.18 |
53.04 | 51.09 | 1.95 |