| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.61 | 3.70 | -0.09 |
| Feb | 2.89 | 2.98 | -0.09 |
| Mar | 3.95 | 3.90 | 0.05 |
| Apr | 4.12 | 4.12 | 0.00 |
| May | 3.99 | 4.07 | -0.08 |
| Jun | 5.10 | 5.08 | 0.02 |
| Jul | 5.00 | 5.15 | -0.15 |
| Aug | 4.87 | 5.07 | -0.20 |
| Sep | 5.18 | 5.32 | -0.14 |
| Oct | 4.47 | 4.94 | -0.47 |
| Nov | 3.68 | 3.73 | -0.05 |
| Dec | 4.25 | 4.46 | -0.21 |
51.11 | 52.52 | -1.41 |