| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.66 | 0.05 |
| Feb | 1.05 | 1.11 | -0.06 |
| Mar | 1.99 | 2.00 | -0.01 |
| Apr | 3.22 | 3.29 | -0.07 |
| May | 4.96 | 5.00 | -0.04 |
| Jun | 4.84 | 5.13 | -0.29 |
| Jul | 4.48 | 4.33 | 0.15 |
| Aug | 4.20 | 4.16 | 0.04 |
| Sep | 2.90 | 3.05 | -0.15 |
| Oct | 2.39 | 2.43 | -0.04 |
| Nov | 1.52 | 1.53 | -0.01 |
| Dec | 1.21 | 1.21 | 0.00 |
33.47 | 33.90 | -0.43 |