| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.52 | 2.83 | -0.31 |
| Feb | 2.05 | 2.29 | -0.24 |
| Mar | 2.45 | 2.71 | -0.26 |
| Apr | 3.28 | 3.43 | -0.15 |
| May | 3.22 | 3.07 | 0.15 |
| Jun | 3.29 | 3.25 | 0.04 |
| Jul | 3.39 | 3.51 | -0.12 |
| Aug | 3.14 | 3.11 | 0.03 |
| Sep | 3.66 | 3.62 | 0.04 |
| Oct | 3.51 | 3.60 | -0.09 |
| Nov | 2.99 | 2.97 | 0.02 |
| Dec | 2.93 | 3.10 | -0.17 |
36.43 | 37.49 | -1.06 |