| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.71 | 1.90 | -0.19 |
| Feb | 1.75 | 1.84 | -0.09 |
| Mar | 2.24 | 2.29 | -0.05 |
| Apr | 3.74 | 3.75 | -0.01 |
| May | 4.73 | 4.77 | -0.04 |
| Jun | 4.39 | 4.27 | 0.12 |
| Jul | 3.77 | 3.70 | 0.07 |
| Aug | 3.87 | 3.86 | 0.01 |
| Sep | 3.28 | 3.34 | -0.06 |
| Oct | 3.32 | 3.33 | -0.01 |
| Nov | 2.50 | 2.54 | -0.04 |
| Dec | 1.98 | 2.12 | -0.14 |
37.28 | 37.71 | -0.43 |