| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.95 | 1.98 | -0.03 |
| Feb | 1.71 | 1.84 | -0.13 |
| Mar | 2.24 | 2.31 | -0.07 |
| Apr | 3.80 | 3.82 | -0.02 |
| May | 4.58 | 4.54 | 0.04 |
| Jun | 4.42 | 4.38 | 0.04 |
| Jul | 3.94 | 4.01 | -0.07 |
| Aug | 4.04 | 3.78 | 0.26 |
| Sep | 3.18 | 3.26 | -0.08 |
| Oct | 3.34 | 3.30 | 0.04 |
| Nov | 2.54 | 2.51 | 0.03 |
| Dec | 2.07 | 2.11 | -0.04 |
37.81 | 37.84 | -0.03 |