| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.11 | 1.16 | -0.05 |
| Feb | 1.38 | 1.42 | -0.04 |
| Mar | 2.17 | 2.27 | -0.10 |
| Apr | 3.66 | 3.78 | -0.12 |
| May | 4.63 | 4.68 | -0.05 |
| Jun | 5.36 | 5.23 | 0.13 |
| Jul | 4.23 | 4.24 | -0.01 |
| Aug | 4.27 | 4.11 | 0.16 |
| Sep | 3.62 | 3.39 | 0.23 |
| Oct | 2.91 | 2.93 | -0.02 |
| Nov | 2.15 | 2.20 | -0.05 |
| Dec | 1.60 | 1.62 | -0.02 |
37.09 | 37.03 | 0.06 |