| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.42 | -0.02 |
| Feb | 2.91 | 2.93 | -0.02 |
| Mar | 4.05 | 4.05 | 0.00 |
| Apr | 3.39 | 3.52 | -0.13 |
| May | 3.57 | 3.66 | -0.09 |
| Jun | 3.93 | 3.92 | 0.01 |
| Jul | 4.40 | 4.52 | -0.12 |
| Aug | 4.50 | 5.16 | -0.66 |
| Sep | 4.12 | 4.29 | -0.17 |
| Oct | 3.88 | 4.11 | -0.23 |
| Nov | 3.09 | 3.09 | 0.00 |
| Dec | 3.54 | 3.77 | -0.23 |
44.78 | 46.44 | -1.66 |