| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.51 | 2.66 | -0.15 |
| Feb | 2.09 | 2.30 | -0.21 |
| Mar | 3.42 | 3.49 | -0.07 |
| Apr | 4.62 | 4.69 | -0.07 |
| May | 4.94 | 4.96 | -0.02 |
| Jun | 4.44 | 4.56 | -0.12 |
| Jul | 3.80 | 3.89 | -0.09 |
| Aug | 3.39 | 3.40 | -0.01 |
| Sep | 3.38 | 3.42 | -0.04 |
| Oct | 3.07 | 3.21 | -0.14 |
| Nov | 3.32 | 3.57 | -0.25 |
| Dec | 2.65 | 2.68 | -0.03 |
41.63 | 42.83 | -1.20 |