| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.26 | 0.31 | -0.05 |
| Feb | 0.37 | 0.42 | -0.05 |
| Mar | 0.71 | 0.78 | -0.07 |
| Apr | 1.49 | 1.58 | -0.09 |
| May | 2.50 | 2.56 | -0.06 |
| Jun | 2.39 | 2.34 | 0.05 |
| Jul | 2.40 | 2.52 | -0.12 |
| Aug | 1.94 | 1.86 | 0.08 |
| Sep | 1.22 | 1.24 | -0.02 |
| Oct | 1.10 | 1.14 | -0.04 |
| Nov | 0.44 | 0.43 | 0.01 |
| Dec | 0.33 | 0.37 | -0.04 |
15.15 | 15.55 | -0.40 |