| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.73 | 3.41 | 0.32 |
| Feb | 4.39 | 3.74 | 0.65 |
| Mar | 2.89 | 2.56 | 0.33 |
| Apr | 0.88 | 0.90 | -0.02 |
| May | 0.36 | 0.46 | -0.10 |
| Jun | 0.08 | 0.10 | -0.02 |
| Jul | 0.03 | 0.08 | -0.05 |
| Aug | 0.01 | 0.02 | -0.01 |
| Sep | 0.12 | 0.15 | -0.03 |
| Oct | 0.66 | 0.68 | -0.02 |
| Nov | 0.98 | 0.78 | 0.20 |
| Dec | 2.63 | 2.34 | 0.29 |
16.76 | 15.22 | 1.54 |