| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.53 | 4.04 | 0.49 |
| Feb | 4.56 | 4.53 | 0.03 |
| Mar | 3.39 | 3.12 | 0.27 |
| Apr | 1.61 | 1.26 | 0.35 |
| May | 0.74 | 0.71 | 0.03 |
| Jun | 0.18 | 0.20 | -0.02 |
| Jul | 0.01 | 0.02 | -0.01 |
| Aug | 0.05 | 0.05 | 0.00 |
| Sep | 0.10 | 0.10 | 0.00 |
| Oct | 1.07 | 0.92 | 0.15 |
| Nov | 2.62 | 2.69 | -0.07 |
| Dec | 4.96 | 5.66 | -0.70 |
23.82 | 23.30 | 0.52 |