| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.70 | 5.09 | -0.39 |
| Feb | 4.27 | 4.43 | -0.16 |
| Mar | 4.79 | 4.84 | -0.05 |
| Apr | 4.44 | 4.48 | -0.04 |
| May | 4.08 | 4.02 | 0.06 |
| Jun | 4.89 | 4.70 | 0.19 |
| Jul | 4.59 | 4.87 | -0.28 |
| Aug | 5.04 | 5.32 | -0.28 |
| Sep | 4.42 | 4.34 | 0.08 |
| Oct | 3.86 | 3.91 | -0.05 |
| Nov | 4.08 | 4.11 | -0.03 |
| Dec | 5.27 | 5.26 | 0.01 |
54.43 | 55.37 | -0.94 |