| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.52 | 2.71 | -0.19 |
| Feb | 2.33 | 2.35 | -0.02 |
| Mar | 2.79 | 2.74 | 0.05 |
| Apr | 3.29 | 3.33 | -0.04 |
| May | 3.67 | 3.39 | 0.28 |
| Jun | 4.46 | 4.25 | 0.21 |
| Jul | 4.49 | 4.10 | 0.39 |
| Aug | 3.97 | 3.75 | 0.22 |
| Sep | 3.47 | 3.21 | 0.26 |
| Oct | 4.20 | 3.86 | 0.34 |
| Nov | 2.96 | 3.03 | -0.07 |
| Dec | 3.15 | 3.36 | -0.21 |
41.30 | 40.08 | 1.22 |