| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.42 | 0.53 | -0.11 |
| Feb | 0.42 | 0.51 | -0.09 |
| Mar | 0.58 | 0.71 | -0.13 |
| Apr | 1.06 | 1.14 | -0.08 |
| May | 2.35 | 2.40 | -0.05 |
| Jun | 3.41 | 3.90 | -0.49 |
| Jul | 2.90 | 2.96 | -0.06 |
| Aug | 1.81 | 2.03 | -0.22 |
| Sep | 1.64 | 1.69 | -0.05 |
| Oct | 1.16 | 1.34 | -0.18 |
| Nov | 0.61 | 0.74 | -0.13 |
| Dec | 0.55 | 0.64 | -0.09 |
16.91 | 18.59 | -1.68 |