| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.97 | -0.17 |
| Feb | 0.79 | 0.98 | -0.19 |
| Mar | 1.63 | 1.77 | -0.14 |
| Apr | 2.91 | 3.04 | -0.13 |
| May | 4.12 | 4.27 | -0.15 |
| Jun | 4.68 | 4.91 | -0.23 |
| Jul | 4.17 | 4.39 | -0.22 |
| Aug | 4.55 | 4.47 | 0.08 |
| Sep | 3.33 | 3.30 | 0.03 |
| Oct | 2.66 | 2.80 | -0.14 |
| Nov | 1.56 | 1.70 | -0.14 |
| Dec | 1.13 | 1.34 | -0.21 |
32.33 | 33.94 | -1.61 |