| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.66 | 3.01 | -0.35 |
| Feb | 2.16 | 2.40 | -0.24 |
| Mar | 2.38 | 2.52 | -0.14 |
| Apr | 2.21 | 2.25 | -0.04 |
| May | 2.22 | 2.22 | 0.00 |
| Jun | 1.48 | 1.46 | 0.02 |
| Jul | 0.58 | 0.56 | 0.02 |
| Aug | 0.54 | 0.63 | -0.09 |
| Sep | 0.81 | 0.84 | -0.03 |
| Oct | 1.90 | 1.95 | -0.05 |
| Nov | 2.70 | 3.15 | -0.45 |
| Dec | 2.84 | 3.21 | -0.37 |
22.48 | 24.20 | -1.72 |