| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.12 | 2.54 | -0.42 |
| Feb | 1.80 | 2.11 | -0.31 |
| Mar | 2.24 | 2.40 | -0.16 |
| Apr | 3.08 | 3.20 | -0.12 |
| May | 3.72 | 3.72 | 0.00 |
| Jun | 3.55 | 3.63 | -0.08 |
| Jul | 3.27 | 3.29 | -0.02 |
| Aug | 3.21 | 3.31 | -0.10 |
| Sep | 3.01 | 2.97 | 0.04 |
| Oct | 2.82 | 2.83 | -0.01 |
| Nov | 2.46 | 2.60 | -0.14 |
| Dec | 2.08 | 2.37 | -0.29 |
33.36 | 34.97 | -1.61 |