| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.26 | 0.06 |
| Feb | 3.80 | 4.02 | -0.22 |
| Mar | 2.68 | 2.79 | -0.11 |
| Apr | 1.25 | 1.33 | -0.08 |
| May | 0.95 | 0.53 | 0.42 |
| Jun | 0.07 | 0.07 | 0.00 |
| Jul | 0.09 | 0.16 | -0.07 |
| Aug | 0.11 | 0.28 | -0.17 |
| Sep | 0.22 | 0.32 | -0.10 |
| Oct | 0.61 | 0.77 | -0.16 |
| Nov | 1.47 | 1.43 | 0.04 |
| Dec | 2.33 | 2.88 | -0.55 |
16.90 | 17.84 | -0.94 |