| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.44 | 0.54 | -0.10 |
| Feb | 0.62 | 0.75 | -0.13 |
| Mar | 0.94 | 1.09 | -0.15 |
| Apr | 1.87 | 1.97 | -0.10 |
| May | 2.91 | 3.39 | -0.48 |
| Jun | 2.29 | 2.50 | -0.21 |
| Jul | 1.57 | 1.67 | -0.10 |
| Aug | 1.18 | 1.30 | -0.12 |
| Sep | 1.08 | 1.22 | -0.14 |
| Oct | 1.39 | 1.52 | -0.13 |
| Nov | 0.57 | 0.63 | -0.06 |
| Dec | 0.48 | 0.61 | -0.13 |
15.34 | 17.19 | -1.85 |