| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.53 | 0.50 | 0.03 |
| Feb | 0.38 | 0.49 | -0.11 |
| Mar | 0.68 | 0.64 | 0.04 |
| Apr | 0.72 | 0.78 | -0.06 |
| May | 1.29 | 1.35 | -0.06 |
| Jun | 1.50 | 1.64 | -0.14 |
| Jul | 3.26 | 3.19 | 0.07 |
| Aug | 2.90 | 3.17 | -0.27 |
| Sep | 2.34 | 2.20 | 0.14 |
| Oct | 1.26 | 1.43 | -0.17 |
| Nov | 0.65 | 0.65 | 0.00 |
| Dec | 0.60 | 0.62 | -0.02 |
16.11 | 16.66 | -0.55 |