| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.32 | 0.28 | 0.04 |
| Feb | 0.47 | 0.48 | -0.01 |
| Mar | 0.83 | 0.79 | 0.04 |
| Apr | 1.70 | 1.58 | 0.12 |
| May | 2.68 | 2.72 | -0.04 |
| Jun | 1.90 | 2.11 | -0.21 |
| Jul | 1.42 | 1.60 | -0.18 |
| Aug | 1.16 | 1.23 | -0.07 |
| Sep | 1.15 | 1.17 | -0.02 |
| Oct | 1.14 | 1.30 | -0.16 |
| Nov | 0.48 | 0.49 | -0.01 |
| Dec | 0.45 | 0.41 | 0.04 |
13.70 | 14.16 | -0.46 |