| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.40 | -0.08 |
| Feb | 2.97 | 3.03 | -0.06 |
| Mar | 3.69 | 3.73 | -0.04 |
| Apr | 3.94 | 3.94 | 0.00 |
| May | 3.70 | 3.72 | -0.02 |
| Jun | 4.60 | 4.49 | 0.11 |
| Jul | 4.27 | 4.11 | 0.16 |
| Aug | 4.29 | 4.15 | 0.14 |
| Sep | 4.55 | 4.52 | 0.03 |
| Oct | 4.82 | 4.81 | 0.01 |
| Nov | 3.55 | 3.57 | -0.02 |
| Dec | 4.17 | 4.30 | -0.13 |
47.87 | 47.77 | 0.10 |