| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.33 | 0.31 | 0.02 |
| Feb | 0.36 | 0.28 | 0.08 |
| Mar | 0.78 | 0.76 | 0.02 |
| Apr | 1.53 | 1.52 | 0.01 |
| May | 1.46 | 1.41 | 0.05 |
| Jun | 1.15 | 1.12 | 0.03 |
| Jul | 1.93 | 2.17 | -0.24 |
| Aug | 2.03 | 1.94 | 0.09 |
| Sep | 0.96 | 0.72 | 0.24 |
| Oct | 0.87 | 0.74 | 0.13 |
| Nov | 0.51 | 0.40 | 0.11 |
| Dec | 0.29 | 0.31 | -0.02 |
12.20 | 11.68 | 0.52 |