| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.26 | 2.27 | -0.01 |
| Feb | 1.95 | 2.02 | -0.07 |
| Mar | 2.40 | 2.43 | -0.03 |
| Apr | 3.78 | 3.79 | -0.01 |
| May | 4.38 | 4.53 | -0.15 |
| Jun | 4.53 | 4.61 | -0.08 |
| Jul | 4.39 | 4.43 | -0.04 |
| Aug | 4.04 | 4.06 | -0.02 |
| Sep | 3.44 | 3.35 | 0.09 |
| Oct | 3.39 | 3.51 | -0.12 |
| Nov | 2.70 | 2.76 | -0.06 |
| Dec | 2.20 | 2.26 | -0.06 |
39.46 | 40.02 | -0.56 |