| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.25 | 4.45 | -0.20 |
| Feb | 3.71 | 3.88 | -0.17 |
| Mar | 4.23 | 4.47 | -0.24 |
| Apr | 3.17 | 3.38 | -0.21 |
| May | 3.35 | 3.41 | -0.06 |
| Jun | 4.88 | 5.25 | -0.37 |
| Jul | 4.96 | 5.03 | -0.07 |
| Aug | 4.87 | 5.08 | -0.21 |
| Sep | 3.96 | 4.21 | -0.25 |
| Oct | 2.86 | 2.89 | -0.03 |
| Nov | 3.05 | 3.21 | -0.16 |
| Dec | 4.23 | 4.27 | -0.04 |
47.52 | 49.53 | -2.01 |