| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.98 | 2.07 | -0.09 |
| Feb | 1.71 | 1.84 | -0.13 |
| Mar | 2.51 | 2.57 | -0.06 |
| Apr | 3.66 | 3.62 | 0.04 |
| May | 4.53 | 4.52 | 0.01 |
| Jun | 4.07 | 4.02 | 0.05 |
| Jul | 3.98 | 3.78 | 0.20 |
| Aug | 3.60 | 3.46 | 0.14 |
| Sep | 3.37 | 3.39 | -0.02 |
| Oct | 3.07 | 3.07 | 0.00 |
| Nov | 2.52 | 2.60 | -0.08 |
| Dec | 2.06 | 2.08 | -0.02 |
37.06 | 37.02 | 0.04 |