| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.47 | 0.56 | -0.09 |
| Feb | 0.61 | 0.66 | -0.05 |
| Mar | 0.87 | 1.02 | -0.15 |
| Apr | 1.79 | 2.14 | -0.35 |
| May | 3.05 | 3.06 | -0.01 |
| Jun | 2.70 | 2.75 | -0.05 |
| Jul | 1.98 | 2.10 | -0.12 |
| Aug | 1.43 | 1.45 | -0.02 |
| Sep | 1.21 | 1.39 | -0.18 |
| Oct | 1.49 | 1.58 | -0.09 |
| Nov | 0.50 | 0.59 | -0.09 |
| Dec | 0.47 | 0.60 | -0.13 |
16.57 | 17.90 | -1.33 |