| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.14 | 4.23 | -0.09 |
| Feb | 4.10 | 4.19 | -0.09 |
| Mar | 4.59 | 4.56 | 0.03 |
| Apr | 3.30 | 3.38 | -0.08 |
| May | 3.11 | 3.18 | -0.07 |
| Jun | 4.19 | 4.38 | -0.19 |
| Jul | 3.85 | 4.04 | -0.19 |
| Aug | 4.29 | 4.37 | -0.08 |
| Sep | 3.65 | 3.77 | -0.12 |
| Oct | 2.86 | 3.04 | -0.18 |
| Nov | 3.44 | 3.55 | -0.11 |
| Dec | 4.48 | 4.48 | 0.00 |
46.00 | 47.17 | -1.17 |