| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.39 | 0.43 | -0.04 |
| Feb | 0.61 | 0.63 | -0.02 |
| Mar | 1.23 | 1.25 | -0.02 |
| Apr | 2.26 | 2.27 | -0.01 |
| May | 3.62 | 3.60 | 0.02 |
| Jun | 3.53 | 3.40 | 0.13 |
| Jul | 3.70 | 3.71 | -0.01 |
| Aug | 3.00 | 3.17 | -0.17 |
| Sep | 1.77 | 1.82 | -0.05 |
| Oct | 1.86 | 1.91 | -0.05 |
| Nov | 0.87 | 0.87 | 0.00 |
| Dec | 0.59 | 0.64 | -0.05 |
23.43 | 23.70 | -0.27 |