| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.65 | -0.11 |
| Feb | 2.93 | 3.02 | -0.09 |
| Mar | 3.59 | 3.64 | -0.05 |
| Apr | 3.94 | 4.09 | -0.15 |
| May | 3.87 | 4.05 | -0.18 |
| Jun | 4.52 | 4.60 | -0.08 |
| Jul | 4.29 | 4.35 | -0.06 |
| Aug | 4.10 | 4.28 | -0.18 |
| Sep | 3.78 | 3.85 | -0.07 |
| Oct | 4.34 | 4.51 | -0.17 |
| Nov | 3.52 | 3.60 | -0.08 |
| Dec | 3.94 | 4.32 | -0.38 |
46.36 | 47.96 | -1.60 |