| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.28 | 7.25 | -0.97 |
| Feb | 5.45 | 6.10 | -0.65 |
| Mar | 4.92 | 5.70 | -0.78 |
| Apr | 2.63 | 2.95 | -0.32 |
| May | 1.52 | 1.61 | -0.09 |
| Jun | 0.38 | 0.48 | -0.10 |
| Jul | 0.05 | 0.12 | -0.07 |
| Aug | 0.04 | 0.05 | -0.01 |
| Sep | 0.25 | 0.18 | 0.07 |
| Oct | 1.71 | 1.78 | -0.07 |
| Nov | 2.89 | 2.90 | -0.01 |
| Dec | 5.55 | 6.08 | -0.53 |
31.67 | 35.20 | -3.53 |