| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.72 | -0.25 |
| Feb | 2.97 | 3.22 | -0.25 |
| Mar | 4.12 | 4.16 | -0.04 |
| Apr | 4.13 | 4.12 | 0.01 |
| May | 3.86 | 3.92 | -0.06 |
| Jun | 4.50 | 4.54 | -0.04 |
| Jul | 4.45 | 4.61 | -0.16 |
| Aug | 4.33 | 4.68 | -0.35 |
| Sep | 4.53 | 4.62 | -0.09 |
| Oct | 4.65 | 4.70 | -0.05 |
| Nov | 3.89 | 3.97 | -0.08 |
| Dec | 4.22 | 4.57 | -0.35 |
49.12 | 50.83 | -1.71 |