| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.90 | 3.15 | -0.25 |
| Feb | 3.40 | 3.44 | -0.04 |
| Mar | 1.94 | 2.23 | -0.29 |
| Apr | 0.78 | 0.76 | 0.02 |
| May | 0.27 | 0.31 | -0.04 |
| Jun | 0.04 | 0.10 | -0.06 |
| Jul | 0.04 | 0.08 | -0.04 |
| Aug | 0.02 | 0.00 | 0.02 |
| Sep | 0.11 | 0.12 | -0.01 |
| Oct | 0.52 | 0.58 | -0.06 |
| Nov | 1.03 | 0.93 | 0.10 |
| Dec | 2.20 | 2.34 | -0.14 |
13.25 | 14.04 | -0.79 |