| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.57 | -0.09 |
| Feb | 2.70 | 2.81 | -0.11 |
| Mar | 4.12 | 4.17 | -0.05 |
| Apr | 3.71 | 3.73 | -0.02 |
| May | 3.98 | 4.07 | -0.09 |
| Jun | 4.39 | 4.47 | -0.08 |
| Jul | 5.08 | 4.90 | 0.18 |
| Aug | 4.26 | 4.45 | -0.19 |
| Sep | 4.21 | 4.20 | 0.01 |
| Oct | 4.20 | 4.15 | 0.05 |
| Nov | 3.34 | 3.35 | -0.01 |
| Dec | 4.26 | 4.39 | -0.13 |
47.73 | 48.26 | -0.53 |