| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.64 | 1.93 | -0.29 |
| Feb | 1.39 | 1.43 | -0.04 |
| Mar | 1.35 | 1.52 | -0.17 |
| Apr | 1.58 | 1.67 | -0.09 |
| May | 1.99 | 2.14 | -0.15 |
| Jun | 1.04 | 1.04 | 0.00 |
| Jul | 0.51 | 0.53 | -0.02 |
| Aug | 0.66 | 0.68 | -0.02 |
| Sep | 1.06 | 1.12 | -0.06 |
| Oct | 1.37 | 1.51 | -0.14 |
| Nov | 1.05 | 1.10 | -0.05 |
| Dec | 1.45 | 1.49 | -0.04 |
15.09 | 16.16 | -1.07 |