| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.67 | 4.67 | 0.00 |
| Feb | 4.79 | 4.57 | 0.22 |
| Mar | 4.80 | 4.78 | 0.02 |
| Apr | 4.03 | 4.13 | -0.10 |
| May | 2.94 | 2.97 | -0.03 |
| Jun | 4.70 | 4.78 | -0.08 |
| Jul | 5.42 | 5.42 | 0.00 |
| Aug | 4.71 | 4.68 | 0.03 |
| Sep | 3.89 | 3.86 | 0.03 |
| Oct | 2.72 | 2.74 | -0.02 |
| Nov | 3.25 | 3.30 | -0.05 |
| Dec | 5.28 | 4.95 | 0.33 |
51.20 | 50.85 | 0.35 |