| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.70 | 1.46 | 0.24 |
| Feb | 1.72 | 1.52 | 0.20 |
| Mar | 1.39 | 1.38 | 0.01 |
| Apr | 0.39 | 0.43 | -0.04 |
| May | 0.19 | 0.21 | -0.02 |
| Jun | 0.06 | 0.06 | 0.00 |
| Jul | 0.96 | 0.95 | 0.01 |
| Aug | 1.61 | 1.33 | 0.28 |
| Sep | 1.05 | 0.81 | 0.24 |
| Oct | 0.81 | 0.90 | -0.09 |
| Nov | 0.90 | 0.77 | 0.13 |
| Dec | 1.40 | 1.34 | 0.06 |
12.18 | 11.16 | 1.02 |