| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.93 | 0.96 | -0.03 |
| Feb | 0.95 | 0.97 | -0.02 |
| Mar | 1.84 | 1.68 | 0.16 |
| Apr | 3.10 | 2.82 | 0.28 |
| May | 4.27 | 4.15 | 0.12 |
| Jun | 5.13 | 5.20 | -0.07 |
| Jul | 4.26 | 3.94 | 0.32 |
| Aug | 4.67 | 4.45 | 0.22 |
| Sep | 3.49 | 3.62 | -0.13 |
| Oct | 2.67 | 2.47 | 0.20 |
| Nov | 1.70 | 1.53 | 0.17 |
| Dec | 1.22 | 1.31 | -0.09 |
34.23 | 33.10 | 1.13 |