| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.13 | 3.97 | 0.16 |
| Feb | 3.53 | 3.40 | 0.13 |
| Mar | 4.89 | 4.83 | 0.06 |
| Apr | 4.53 | 4.48 | 0.05 |
| May | 3.60 | 3.52 | 0.08 |
| Jun | 4.08 | 4.11 | -0.03 |
| Jul | 3.53 | 3.53 | 0.00 |
| Aug | 3.92 | 4.05 | -0.13 |
| Sep | 4.19 | 4.28 | -0.09 |
| Oct | 4.88 | 4.77 | 0.11 |
| Nov | 4.27 | 4.10 | 0.17 |
| Dec | 4.94 | 4.87 | 0.07 |
50.49 | 49.91 | 0.58 |