| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.45 | -0.07 |
| Feb | 2.77 | 2.85 | -0.08 |
| Mar | 3.48 | 3.57 | -0.09 |
| Apr | 4.08 | 4.12 | -0.04 |
| May | 4.18 | 4.50 | -0.32 |
| Jun | 4.92 | 5.26 | -0.34 |
| Jul | 4.46 | 4.95 | -0.49 |
| Aug | 4.53 | 4.82 | -0.29 |
| Sep | 4.65 | 4.91 | -0.26 |
| Oct | 4.66 | 4.71 | -0.05 |
| Nov | 3.63 | 3.67 | -0.04 |
| Dec | 3.77 | 3.85 | -0.08 |
48.51 | 50.66 | -2.15 |