| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.47 | 0.39 | 0.08 |
| Feb | 0.40 | 0.31 | 0.09 |
| Mar | 0.47 | 0.45 | 0.02 |
| Apr | 0.47 | 0.46 | 0.01 |
| May | 1.11 | 1.06 | 0.05 |
| Jun | 1.23 | 1.10 | 0.13 |
| Jul | 1.95 | 1.69 | 0.26 |
| Aug | 1.72 | 1.49 | 0.23 |
| Sep | 1.99 | 1.83 | 0.16 |
| Oct | 1.29 | 1.20 | 0.09 |
| Nov | 0.58 | 0.52 | 0.06 |
| Dec | 0.56 | 0.53 | 0.03 |
12.24 | 11.03 | 1.21 |