| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.43 | 4.34 | 0.09 |
| Feb | 4.12 | 4.20 | -0.08 |
| Mar | 4.47 | 4.39 | 0.08 |
| Apr | 3.55 | 3.59 | -0.04 |
| May | 2.77 | 2.88 | -0.11 |
| Jun | 4.44 | 4.54 | -0.10 |
| Jul | 4.62 | 4.65 | -0.03 |
| Aug | 4.83 | 4.71 | 0.12 |
| Sep | 3.74 | 3.79 | -0.05 |
| Oct | 2.77 | 2.78 | -0.01 |
| Nov | 2.93 | 2.98 | -0.05 |
| Dec | 4.59 | 4.37 | 0.22 |
47.26 | 47.22 | 0.04 |