| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.38 | 1.49 | -0.11 |
| Feb | 1.64 | 1.77 | -0.13 |
| Mar | 2.42 | 2.49 | -0.07 |
| Apr | 3.65 | 3.63 | 0.02 |
| May | 4.75 | 4.91 | -0.16 |
| Jun | 4.88 | 4.80 | 0.08 |
| Jul | 4.02 | 4.27 | -0.25 |
| Aug | 4.07 | 3.87 | 0.20 |
| Sep | 3.50 | 3.39 | 0.11 |
| Oct | 2.80 | 2.77 | 0.03 |
| Nov | 2.21 | 2.23 | -0.02 |
| Dec | 1.84 | 1.96 | -0.12 |
37.16 | 37.58 | -0.42 |