| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 11.43 | 11.35 | 0.08 |
| Feb | 9.30 | 9.50 | -0.20 |
| Mar | 8.11 | 8.54 | -0.43 |
| Apr | 4.47 | 4.46 | 0.01 |
| May | 1.79 | 2.06 | -0.27 |
| Jun | 0.62 | 0.73 | -0.11 |
| Jul | 0.04 | 0.06 | -0.02 |
| Aug | 0.11 | 0.07 | 0.04 |
| Sep | 0.42 | 0.57 | -0.15 |
| Oct | 2.81 | 2.87 | -0.06 |
| Nov | 6.49 | 6.55 | -0.06 |
| Dec | 11.99 | 11.87 | 0.12 |
57.58 | 58.63 | -1.05 |