| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.84 | -0.04 |
| Feb | 1.17 | 1.24 | -0.07 |
| Mar | 2.17 | 2.24 | -0.07 |
| Apr | 3.58 | 3.61 | -0.03 |
| May | 4.93 | 5.19 | -0.26 |
| Jun | 4.60 | 4.93 | -0.33 |
| Jul | 5.09 | 5.04 | 0.05 |
| Aug | 3.85 | 4.09 | -0.24 |
| Sep | 3.42 | 3.49 | -0.07 |
| Oct | 2.89 | 2.98 | -0.09 |
| Nov | 1.88 | 1.90 | -0.02 |
| Dec | 1.32 | 1.45 | -0.13 |
35.70 | 37.00 | -1.30 |