| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.66 | 4.59 | 0.07 |
| Feb | 4.71 | 4.66 | 0.05 |
| Mar | 4.97 | 4.63 | 0.34 |
| Apr | 3.83 | 3.93 | -0.10 |
| May | 3.57 | 3.76 | -0.19 |
| Jun | 4.48 | 4.63 | -0.15 |
| Jul | 4.49 | 4.57 | -0.08 |
| Aug | 4.56 | 4.46 | 0.10 |
| Sep | 3.98 | 3.83 | 0.15 |
| Oct | 3.54 | 3.48 | 0.06 |
| Nov | 3.99 | 4.04 | -0.05 |
| Dec | 4.61 | 4.64 | -0.03 |
51.39 | 51.22 | 0.17 |