| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.77 | 2.89 | -0.12 |
| Feb | 2.23 | 2.35 | -0.12 |
| Mar | 2.97 | 3.15 | -0.18 |
| Apr | 3.66 | 3.76 | -0.10 |
| May | 3.84 | 4.01 | -0.17 |
| Jun | 4.20 | 4.29 | -0.09 |
| Jul | 4.14 | 4.19 | -0.05 |
| Aug | 3.65 | 3.71 | -0.06 |
| Sep | 3.84 | 3.80 | 0.04 |
| Oct | 3.36 | 3.38 | -0.02 |
| Nov | 3.00 | 2.96 | 0.04 |
| Dec | 2.95 | 3.07 | -0.12 |
40.61 | 41.56 | -0.95 |