| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.17 | 1.22 | -0.05 |
| Feb | 1.13 | 1.18 | -0.05 |
| Mar | 1.99 | 2.06 | -0.07 |
| Apr | 3.71 | 4.07 | -0.36 |
| May | 4.38 | 4.55 | -0.17 |
| Jun | 5.45 | 5.63 | -0.18 |
| Jul | 4.53 | 4.70 | -0.17 |
| Aug | 4.18 | 4.37 | -0.19 |
| Sep | 3.73 | 3.60 | 0.13 |
| Oct | 2.70 | 2.57 | 0.13 |
| Nov | 1.99 | 1.95 | 0.04 |
| Dec | 1.43 | 1.53 | -0.10 |
36.39 | 37.43 | -1.04 |