| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.82 | 2.69 | 0.13 |
| Feb | 3.38 | 3.15 | 0.23 |
| Mar | 1.89 | 1.98 | -0.09 |
| Apr | 0.79 | 0.67 | 0.12 |
| May | 0.23 | 0.27 | -0.04 |
| Jun | 0.04 | 0.08 | -0.04 |
| Jul | 0.06 | 0.07 | -0.01 |
| Aug | 0.04 | 0.02 | 0.02 |
| Sep | 0.15 | 0.11 | 0.04 |
| Oct | 0.54 | 0.47 | 0.07 |
| Nov | 1.10 | 0.74 | 0.36 |
| Dec | 2.00 | 2.15 | -0.15 |
13.04 | 12.40 | 0.64 |