| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.83 | -0.10 |
| Feb | 0.77 | 0.88 | -0.11 |
| Mar | 1.54 | 1.53 | 0.01 |
| Apr | 2.94 | 2.91 | 0.03 |
| May | 4.17 | 4.29 | -0.12 |
| Jun | 4.68 | 4.53 | 0.15 |
| Jul | 4.06 | 4.10 | -0.04 |
| Aug | 4.27 | 4.34 | -0.07 |
| Sep | 3.37 | 3.25 | 0.12 |
| Oct | 2.63 | 2.58 | 0.05 |
| Nov | 1.51 | 1.54 | -0.03 |
| Dec | 1.05 | 1.20 | -0.15 |
31.72 | 31.98 | -0.26 |