| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.70 | 1.87 | -0.17 |
| Feb | 1.68 | 1.76 | -0.08 |
| Mar | 2.22 | 2.41 | -0.19 |
| Apr | 3.68 | 3.91 | -0.23 |
| May | 3.88 | 4.04 | -0.16 |
| Jun | 4.08 | 4.07 | 0.01 |
| Jul | 3.25 | 3.29 | -0.04 |
| Aug | 3.54 | 3.52 | 0.02 |
| Sep | 3.27 | 3.38 | -0.11 |
| Oct | 3.09 | 3.12 | -0.03 |
| Nov | 2.31 | 2.38 | -0.07 |
| Dec | 1.87 | 2.04 | -0.17 |
34.57 | 35.79 | -1.22 |