| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.52 | 0.52 | 0.00 |
| Feb | 0.57 | 0.46 | 0.11 |
| Mar | 1.18 | 1.02 | 0.16 |
| Apr | 1.82 | 1.65 | 0.17 |
| May | 1.73 | 1.67 | 0.06 |
| Jun | 1.16 | 0.98 | 0.18 |
| Jul | 1.87 | 2.12 | -0.25 |
| Aug | 1.86 | 1.88 | -0.02 |
| Sep | 1.03 | 0.99 | 0.04 |
| Oct | 1.00 | 0.83 | 0.17 |
| Nov | 0.68 | 0.59 | 0.09 |
| Dec | 0.58 | 0.40 | 0.18 |
14.00 | 13.11 | 0.89 |