| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.84 | 1.90 | -0.06 |
| Feb | 1.74 | 1.89 | -0.15 |
| Mar | 2.24 | 2.31 | -0.07 |
| Apr | 3.82 | 3.74 | 0.08 |
| May | 4.21 | 4.45 | -0.24 |
| Jun | 4.49 | 4.37 | 0.12 |
| Jul | 3.74 | 3.73 | 0.01 |
| Aug | 3.79 | 3.70 | 0.09 |
| Sep | 3.42 | 3.44 | -0.02 |
| Oct | 3.19 | 3.20 | -0.01 |
| Nov | 2.45 | 2.40 | 0.05 |
| Dec | 2.01 | 2.07 | -0.06 |
36.94 | 37.20 | -0.26 |