| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.05 | 1.01 | 0.04 |
| Feb | 0.73 | 0.66 | 0.07 |
| Mar | 0.87 | 0.89 | -0.02 |
| Apr | 1.19 | 1.07 | 0.12 |
| May | 1.80 | 1.70 | 0.10 |
| Jun | 1.46 | 1.36 | 0.10 |
| Jul | 0.57 | 0.52 | 0.05 |
| Aug | 0.72 | 0.64 | 0.08 |
| Sep | 0.99 | 0.93 | 0.06 |
| Oct | 1.11 | 1.12 | -0.01 |
| Nov | 0.91 | 0.79 | 0.12 |
| Dec | 1.15 | 0.96 | 0.19 |
12.55 | 11.65 | 0.90 |