| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.86 | 5.21 | -0.35 |
| Feb | 4.46 | 4.48 | -0.02 |
| Mar | 3.19 | 3.44 | -0.25 |
| Apr | 1.66 | 1.78 | -0.12 |
| May | 1.29 | 1.36 | -0.07 |
| Jun | 0.52 | 0.52 | 0.00 |
| Jul | 0.04 | 0.07 | -0.03 |
| Aug | 0.05 | 0.06 | -0.01 |
| Sep | 0.19 | 0.23 | -0.04 |
| Oct | 1.19 | 1.08 | 0.11 |
| Nov | 2.52 | 2.53 | -0.01 |
| Dec | 4.46 | 4.94 | -0.48 |
24.43 | 25.70 | -1.27 |