| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.10 | 1.16 | -0.06 |
| Feb | 1.37 | 1.49 | -0.12 |
| Mar | 2.26 | 2.24 | 0.02 |
| Apr | 4.02 | 3.95 | 0.07 |
| May | 5.30 | 5.42 | -0.12 |
| Jun | 4.82 | 5.29 | -0.47 |
| Jul | 4.71 | 4.79 | -0.08 |
| Aug | 4.40 | 4.31 | 0.09 |
| Sep | 3.83 | 4.28 | -0.45 |
| Oct | 3.20 | 3.39 | -0.19 |
| Nov | 2.04 | 2.09 | -0.05 |
| Dec | 1.63 | 1.61 | 0.02 |
38.68 | 40.02 | -1.34 |