| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.07 | 3.22 | -0.15 |
| Feb | 3.09 | 3.22 | -0.13 |
| Mar | 3.79 | 3.97 | -0.18 |
| Apr | 3.59 | 3.89 | -0.30 |
| May | 4.46 | 4.36 | 0.10 |
| Jun | 3.90 | 3.82 | 0.08 |
| Jul | 1.98 | 2.11 | -0.13 |
| Aug | 2.60 | 2.39 | 0.21 |
| Sep | 3.08 | 3.15 | -0.07 |
| Oct | 4.91 | 5.13 | -0.22 |
| Nov | 3.19 | 3.35 | -0.16 |
| Dec | 3.63 | 3.76 | -0.13 |
41.29 | 42.37 | -1.08 |