| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.90 | -0.13 |
| Feb | 0.83 | 0.90 | -0.07 |
| Mar | 1.60 | 1.62 | -0.02 |
| Apr | 2.80 | 3.09 | -0.29 |
| May | 4.14 | 4.27 | -0.13 |
| Jun | 4.77 | 4.97 | -0.20 |
| Jul | 4.06 | 4.23 | -0.17 |
| Aug | 4.56 | 4.48 | 0.08 |
| Sep | 3.32 | 3.38 | -0.06 |
| Oct | 2.83 | 2.95 | -0.12 |
| Nov | 1.64 | 1.73 | -0.09 |
| Dec | 1.11 | 1.26 | -0.15 |
32.43 | 33.78 | -1.35 |