| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.47 | 0.41 | 0.06 |
| Feb | 0.66 | 0.63 | 0.03 |
| Mar | 1.17 | 1.22 | -0.05 |
| Apr | 2.75 | 2.81 | -0.06 |
| May | 3.83 | 4.08 | -0.25 |
| Jun | 3.91 | 4.17 | -0.26 |
| Jul | 2.87 | 2.79 | 0.08 |
| Aug | 2.89 | 3.09 | -0.20 |
| Sep | 2.27 | 2.40 | -0.13 |
| Oct | 1.89 | 2.17 | -0.28 |
| Nov | 0.71 | 0.77 | -0.06 |
| Dec | 0.54 | 0.57 | -0.03 |
23.96 | 25.11 | -1.15 |