| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.40 | 0.40 | 0.00 |
| Feb | 0.45 | 0.47 | -0.02 |
| Mar | 1.09 | 1.22 | -0.13 |
| Apr | 1.97 | 1.98 | -0.01 |
| May | 2.48 | 2.75 | -0.27 |
| Jun | 1.74 | 1.68 | 0.06 |
| Jul | 1.56 | 1.48 | 0.08 |
| Aug | 1.35 | 1.34 | 0.01 |
| Sep | 1.32 | 1.30 | 0.02 |
| Oct | 1.11 | 1.20 | -0.09 |
| Nov | 0.68 | 0.69 | -0.01 |
| Dec | 0.41 | 0.47 | -0.06 |
14.56 | 14.98 | -0.42 |