| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.87 | 0.88 | -0.01 |
| Feb | 0.95 | 0.85 | 0.10 |
| Mar | 0.61 | 0.61 | 0.00 |
| Apr | 0.29 | 0.27 | 0.02 |
| May | 0.18 | 0.17 | 0.01 |
| Jun | 0.22 | 0.24 | -0.02 |
| Jul | 2.20 | 2.02 | 0.18 |
| Aug | 2.37 | 2.17 | 0.20 |
| Sep | 1.29 | 1.16 | 0.13 |
| Oct | 0.66 | 0.78 | -0.12 |
| Nov | 0.60 | 0.55 | 0.05 |
| Dec | 1.07 | 1.04 | 0.03 |
11.31 | 10.74 | 0.57 |