| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.77 | 1.90 | -0.13 |
| Feb | 1.71 | 1.60 | 0.11 |
| Mar | 1.89 | 1.87 | 0.02 |
| Apr | 2.22 | 2.19 | 0.03 |
| May | 2.25 | 2.26 | -0.01 |
| Jun | 1.20 | 1.22 | -0.02 |
| Jul | 0.55 | 0.52 | 0.03 |
| Aug | 0.77 | 0.71 | 0.06 |
| Sep | 1.28 | 1.25 | 0.03 |
| Oct | 1.72 | 1.72 | 0.00 |
| Nov | 1.36 | 1.42 | -0.06 |
| Dec | 1.64 | 1.60 | 0.04 |
18.36 | 18.26 | 0.10 |