| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.95 | 0.83 | 0.12 |
| Feb | 0.90 | 0.86 | 0.04 |
| Mar | 1.02 | 0.89 | 0.13 |
| Apr | 1.09 | 0.98 | 0.11 |
| May | 1.34 | 1.33 | 0.01 |
| Jun | 0.64 | 0.59 | 0.05 |
| Jul | 1.62 | 1.71 | -0.09 |
| Aug | 1.84 | 2.15 | -0.31 |
| Sep | 1.89 | 1.95 | -0.06 |
| Oct | 1.50 | 1.48 | 0.02 |
| Nov | 1.17 | 1.10 | 0.07 |
| Dec | 1.06 | 1.00 | 0.06 |
15.02 | 14.87 | 0.15 |