| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.72 | 4.99 | 0.73 |
| Feb | 3.59 | 3.39 | 0.20 |
| Mar | 4.13 | 4.36 | -0.23 |
| Apr | 3.24 | 3.41 | -0.17 |
| May | 2.69 | 2.45 | 0.24 |
| Jun | 2.02 | 2.04 | -0.02 |
| Jul | 1.17 | 1.10 | 0.07 |
| Aug | 1.33 | 1.11 | 0.22 |
| Sep | 2.41 | 2.29 | 0.12 |
| Oct | 4.54 | 4.32 | 0.22 |
| Nov | 6.38 | 6.03 | 0.35 |
| Dec | 5.49 | 5.70 | -0.21 |
42.71 | 41.19 | 1.52 |