| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.47 | -0.06 |
| Feb | 0.45 | 0.34 | 0.11 |
| Mar | 0.47 | 0.52 | -0.05 |
| Apr | 0.49 | 0.50 | -0.01 |
| May | 0.43 | 0.52 | -0.09 |
| Jun | 0.59 | 0.53 | 0.06 |
| Jul | 1.52 | 1.77 | -0.25 |
| Aug | 1.73 | 1.38 | 0.35 |
| Sep | 1.13 | 1.01 | 0.12 |
| Oct | 0.87 | 0.99 | -0.12 |
| Nov | 0.52 | 0.48 | 0.04 |
| Dec | 0.58 | 0.52 | 0.06 |
9.19 | 9.03 | 0.16 |