| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.96 | 3.50 | -0.54 |
| Feb | 2.19 | 2.49 | -0.30 |
| Mar | 2.02 | 2.44 | -0.42 |
| Apr | 1.69 | 2.05 | -0.36 |
| May | 1.33 | 1.66 | -0.33 |
| Jun | 0.72 | 0.96 | -0.24 |
| Jul | 0.35 | 0.31 | 0.04 |
| Aug | 0.32 | 0.35 | -0.03 |
| Sep | 0.43 | 0.54 | -0.11 |
| Oct | 1.34 | 1.63 | -0.29 |
| Nov | 2.61 | 2.86 | -0.25 |
| Dec | 3.76 | 4.44 | -0.68 |
19.72 | 23.23 | -3.51 |