| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.91 | 3.77 | 0.14 |
| Feb | 3.43 | 3.74 | -0.31 |
| Mar | 2.83 | 2.74 | 0.09 |
| Apr | 1.31 | 1.41 | -0.10 |
| May | 0.60 | 0.64 | -0.04 |
| Jun | 0.12 | 0.17 | -0.05 |
| Jul | 0.00 | 0.00 | 0.00 |
| Aug | 0.02 | 0.03 | -0.01 |
| Sep | 0.08 | 0.06 | 0.02 |
| Oct | 0.85 | 0.84 | 0.01 |
| Nov | 1.96 | 1.91 | 0.05 |
| Dec | 3.77 | 3.66 | 0.11 |
18.88 | 18.97 | -0.09 |