| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.56 | 0.03 |
| Feb | 4.13 | 3.98 | 0.15 |
| Mar | 2.55 | 2.84 | -0.29 |
| Apr | 0.81 | 0.74 | 0.07 |
| May | 0.28 | 0.39 | -0.11 |
| Jun | 0.04 | 0.06 | -0.02 |
| Jul | 0.01 | 0.04 | -0.03 |
| Aug | 0.01 | 0.01 | 0.00 |
| Sep | 0.08 | 0.08 | 0.00 |
| Oct | 0.59 | 0.53 | 0.06 |
| Nov | 1.05 | 0.84 | 0.21 |
| Dec | 2.82 | 2.59 | 0.23 |
15.96 | 15.66 | 0.30 |