| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.56 | -0.15 |
| Feb | 2.87 | 2.86 | 0.01 |
| Mar | 4.03 | 3.79 | 0.24 |
| Apr | 3.47 | 3.54 | -0.07 |
| May | 3.71 | 3.77 | -0.06 |
| Jun | 4.27 | 4.26 | 0.01 |
| Jul | 5.28 | 4.96 | 0.32 |
| Aug | 5.04 | 5.57 | -0.53 |
| Sep | 5.08 | 4.91 | 0.17 |
| Oct | 3.88 | 4.47 | -0.59 |
| Nov | 3.12 | 3.24 | -0.12 |
| Dec | 3.46 | 3.48 | -0.02 |
47.62 | 48.41 | -0.79 |