| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.70 | 2.93 | -0.23 |
| Feb | 2.30 | 2.49 | -0.19 |
| Mar | 3.29 | 3.37 | -0.08 |
| Apr | 3.22 | 3.41 | -0.19 |
| May | 3.34 | 3.45 | -0.11 |
| Jun | 4.17 | 4.05 | 0.12 |
| Jul | 3.58 | 3.65 | -0.07 |
| Aug | 4.05 | 4.14 | -0.09 |
| Sep | 3.97 | 3.96 | 0.01 |
| Oct | 4.53 | 4.57 | -0.04 |
| Nov | 3.06 | 3.19 | -0.13 |
| Dec | 3.57 | 3.73 | -0.16 |
41.78 | 42.94 | -1.16 |