| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.12 | 5.42 | -0.30 |
| Feb | 5.40 | 5.13 | 0.27 |
| Mar | 5.27 | 5.52 | -0.25 |
| Apr | 5.14 | 4.97 | 0.17 |
| May | 4.20 | 4.32 | -0.12 |
| Jun | 4.40 | 4.46 | -0.06 |
| Jul | 4.61 | 4.87 | -0.26 |
| Aug | 3.84 | 3.89 | -0.05 |
| Sep | 4.26 | 4.74 | -0.48 |
| Oct | 3.79 | 3.74 | 0.05 |
| Nov | 4.63 | 4.88 | -0.25 |
| Dec | 5.51 | 5.99 | -0.48 |
56.17 | 57.93 | -1.76 |