| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.39 | 2.60 | -0.21 |
| Feb | 1.89 | 2.04 | -0.15 |
| Mar | 2.19 | 2.40 | -0.21 |
| Apr | 3.41 | 3.66 | -0.25 |
| May | 4.27 | 4.21 | 0.06 |
| Jun | 3.83 | 3.88 | -0.05 |
| Jul | 3.55 | 3.59 | -0.04 |
| Aug | 3.66 | 3.88 | -0.22 |
| Sep | 3.18 | 3.27 | -0.09 |
| Oct | 3.68 | 3.83 | -0.15 |
| Nov | 2.69 | 2.86 | -0.17 |
| Dec | 2.23 | 2.43 | -0.20 |
36.97 | 38.65 | -1.68 |