| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.53 | 0.46 | 0.07 |
| Feb | 0.68 | 0.64 | 0.04 |
| Mar | 1.06 | 1.04 | 0.02 |
| Apr | 2.61 | 2.71 | -0.10 |
| May | 3.46 | 3.55 | -0.09 |
| Jun | 3.79 | 3.81 | -0.02 |
| Jul | 2.86 | 2.77 | 0.09 |
| Aug | 2.80 | 2.65 | 0.15 |
| Sep | 2.50 | 2.33 | 0.17 |
| Oct | 1.87 | 1.86 | 0.01 |
| Nov | 0.72 | 0.73 | -0.01 |
| Dec | 0.60 | 0.56 | 0.04 |
23.48 | 23.11 | 0.37 |