| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.48 | 0.06 |
| Feb | 3.02 | 2.68 | 0.34 |
| Mar | 3.54 | 3.65 | -0.11 |
| Apr | 4.12 | 3.76 | 0.36 |
| May | 3.98 | 4.00 | -0.02 |
| Jun | 4.62 | 4.68 | -0.06 |
| Jul | 4.39 | 4.16 | 0.23 |
| Aug | 4.07 | 3.95 | 0.12 |
| Sep | 3.84 | 4.05 | -0.21 |
| Oct | 4.79 | 5.00 | -0.21 |
| Nov | 3.72 | 3.68 | 0.04 |
| Dec | 4.25 | 4.12 | 0.13 |
47.88 | 47.21 | 0.67 |