| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.19 | 3.27 | -0.08 |
| Feb | 2.98 | 3.12 | -0.14 |
| Mar | 4.13 | 4.14 | -0.01 |
| Apr | 4.40 | 4.62 | -0.22 |
| May | 4.75 | 4.87 | -0.12 |
| Jun | 4.66 | 4.61 | 0.05 |
| Jul | 4.54 | 4.93 | -0.39 |
| Aug | 3.48 | 3.71 | -0.23 |
| Sep | 3.22 | 3.20 | 0.02 |
| Oct | 3.04 | 3.12 | -0.08 |
| Nov | 3.02 | 3.17 | -0.15 |
| Dec | 3.56 | 3.63 | -0.07 |
44.97 | 46.39 | -1.42 |