| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.28 | 0.36 | -0.08 |
| Feb | 0.33 | 0.39 | -0.06 |
| Mar | 0.79 | 0.94 | -0.15 |
| Apr | 1.67 | 1.73 | -0.06 |
| May | 2.27 | 2.44 | -0.17 |
| Jun | 1.71 | 1.60 | 0.11 |
| Jul | 1.52 | 1.50 | 0.02 |
| Aug | 1.46 | 1.28 | 0.18 |
| Sep | 1.16 | 1.18 | -0.02 |
| Oct | 1.04 | 1.10 | -0.06 |
| Nov | 0.62 | 0.60 | 0.02 |
| Dec | 0.38 | 0.44 | -0.06 |
13.23 | 13.56 | -0.33 |