| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.66 | 3.84 | -0.18 |
| Feb | 3.19 | 3.42 | -0.23 |
| Mar | 3.82 | 4.01 | -0.19 |
| Apr | 4.05 | 4.14 | -0.09 |
| May | 4.11 | 4.14 | -0.03 |
| Jun | 4.66 | 4.69 | -0.03 |
| Jul | 4.20 | 4.26 | -0.06 |
| Aug | 4.02 | 4.10 | -0.08 |
| Sep | 3.97 | 3.92 | 0.05 |
| Oct | 4.97 | 5.02 | -0.05 |
| Nov | 3.81 | 3.77 | 0.04 |
| Dec | 4.51 | 5.00 | -0.49 |
48.97 | 50.31 | -1.34 |