| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.75 | -0.03 |
| Feb | 0.77 | 0.84 | -0.07 |
| Mar | 1.42 | 1.46 | -0.04 |
| Apr | 1.90 | 2.12 | -0.22 |
| May | 3.32 | 3.29 | 0.03 |
| Jun | 3.19 | 3.27 | -0.08 |
| Jul | 2.35 | 2.26 | 0.09 |
| Aug | 2.60 | 2.74 | -0.14 |
| Sep | 2.33 | 2.43 | -0.10 |
| Oct | 1.94 | 1.94 | 0.00 |
| Nov | 0.95 | 1.08 | -0.13 |
| Dec | 0.81 | 0.89 | -0.08 |
22.30 | 23.07 | -0.77 |