| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.33 | 3.51 | -0.18 |
| Feb | 2.77 | 2.90 | -0.13 |
| Mar | 4.00 | 4.10 | -0.10 |
| Apr | 3.93 | 4.09 | -0.16 |
| May | 3.84 | 3.90 | -0.06 |
| Jun | 4.42 | 4.64 | -0.22 |
| Jul | 4.49 | 4.55 | -0.06 |
| Aug | 4.54 | 4.65 | -0.11 |
| Sep | 4.28 | 4.32 | -0.04 |
| Oct | 4.33 | 4.38 | -0.05 |
| Nov | 3.59 | 3.64 | -0.05 |
| Dec | 4.21 | 4.40 | -0.19 |
47.73 | 49.08 | -1.35 |