| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.71 | -0.09 |
| Feb | 0.56 | 0.65 | -0.09 |
| Mar | 0.87 | 0.97 | -0.10 |
| Apr | 1.41 | 1.39 | 0.02 |
| May | 2.80 | 2.98 | -0.18 |
| Jun | 4.26 | 4.29 | -0.03 |
| Jul | 3.57 | 3.45 | 0.12 |
| Aug | 3.07 | 3.27 | -0.20 |
| Sep | 2.73 | 2.85 | -0.12 |
| Oct | 2.18 | 2.25 | -0.07 |
| Nov | 0.86 | 0.93 | -0.07 |
| Dec | 0.84 | 0.86 | -0.02 |
23.77 | 24.60 | -0.83 |