| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.57 | 0.61 | -0.04 |
| Feb | 0.68 | 0.61 | 0.07 |
| Mar | 1.46 | 1.37 | 0.09 |
| Apr | 1.99 | 1.98 | 0.01 |
| May | 3.36 | 3.26 | 0.10 |
| Jun | 3.62 | 3.36 | 0.26 |
| Jul | 3.56 | 3.53 | 0.03 |
| Aug | 3.21 | 3.24 | -0.03 |
| Sep | 1.72 | 1.65 | 0.07 |
| Oct | 2.09 | 1.96 | 0.13 |
| Nov | 0.88 | 0.78 | 0.10 |
| Dec | 0.90 | 0.84 | 0.06 |
24.04 | 23.19 | 0.85 |