| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.29 | 1.31 | -0.02 |
| Feb | 1.71 | 1.73 | -0.02 |
| Mar | 2.63 | 2.66 | -0.03 |
| Apr | 4.23 | 4.26 | -0.03 |
| May | 5.61 | 5.66 | -0.05 |
| Jun | 5.21 | 5.59 | -0.38 |
| Jul | 4.44 | 4.26 | 0.18 |
| Aug | 4.12 | 4.05 | 0.07 |
| Sep | 4.32 | 4.30 | 0.02 |
| Oct | 3.54 | 3.59 | -0.05 |
| Nov | 2.44 | 2.34 | 0.10 |
| Dec | 1.84 | 1.73 | 0.11 |
41.38 | 41.48 | -0.10 |