| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.88 | 2.97 | -0.09 |
| Feb | 2.23 | 2.31 | -0.08 |
| Mar | 3.13 | 3.19 | -0.06 |
| Apr | 3.87 | 3.91 | -0.04 |
| May | 4.30 | 4.24 | 0.06 |
| Jun | 4.66 | 4.66 | 0.00 |
| Jul | 4.37 | 4.27 | 0.10 |
| Aug | 3.62 | 3.49 | 0.13 |
| Sep | 3.30 | 3.17 | 0.13 |
| Oct | 2.88 | 2.86 | 0.02 |
| Nov | 2.95 | 2.89 | 0.06 |
| Dec | 2.93 | 2.99 | -0.06 |
41.12 | 40.95 | 0.17 |