| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.09 | 2.25 | -0.16 |
| Feb | 2.04 | 2.25 | -0.21 |
| Mar | 3.03 | 3.08 | -0.05 |
| Apr | 4.70 | 4.85 | -0.15 |
| May | 5.01 | 4.82 | 0.19 |
| Jun | 4.29 | 4.37 | -0.08 |
| Jul | 4.27 | 4.18 | 0.09 |
| Aug | 3.85 | 3.90 | -0.05 |
| Sep | 4.02 | 4.04 | -0.02 |
| Oct | 3.54 | 3.53 | 0.01 |
| Nov | 2.96 | 3.04 | -0.08 |
| Dec | 2.19 | 2.28 | -0.09 |
41.99 | 42.59 | -0.60 |