| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.44 | 0.40 | 0.04 |
| Feb | 0.61 | 0.46 | 0.15 |
| Mar | 0.80 | 0.55 | 0.25 |
| Apr | 1.33 | 1.41 | -0.08 |
| May | 2.19 | 1.96 | 0.23 |
| Jun | 1.61 | 1.53 | 0.08 |
| Jul | 0.99 | 0.96 | 0.03 |
| Aug | 0.93 | 0.81 | 0.12 |
| Sep | 1.24 | 1.27 | -0.03 |
| Oct | 1.02 | 0.87 | 0.15 |
| Nov | 0.72 | 0.54 | 0.18 |
| Dec | 0.61 | 0.46 | 0.15 |
12.49 | 11.22 | 1.27 |