| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.35 | 0.39 | -0.04 |
| Feb | 0.31 | 0.30 | 0.01 |
| Mar | 0.79 | 0.87 | -0.08 |
| Apr | 1.07 | 1.13 | -0.06 |
| May | 1.80 | 1.71 | 0.09 |
| Jun | 1.84 | 1.79 | 0.05 |
| Jul | 2.90 | 3.14 | -0.24 |
| Aug | 2.99 | 3.00 | -0.01 |
| Sep | 1.72 | 1.69 | 0.03 |
| Oct | 1.10 | 1.17 | -0.07 |
| Nov | 0.47 | 0.54 | -0.07 |
| Dec | 0.43 | 0.53 | -0.10 |
15.77 | 16.26 | -0.49 |