| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.11 | 1.16 | -0.05 |
| Feb | 1.39 | 1.41 | -0.02 |
| Mar | 2.20 | 2.27 | -0.07 |
| Apr | 3.68 | 3.77 | -0.09 |
| May | 4.62 | 4.67 | -0.05 |
| Jun | 5.34 | 5.22 | 0.12 |
| Jul | 4.22 | 4.22 | 0.00 |
| Aug | 4.31 | 4.11 | 0.20 |
| Sep | 3.67 | 3.38 | 0.29 |
| Oct | 2.93 | 2.93 | 0.00 |
| Nov | 2.16 | 2.20 | -0.04 |
| Dec | 1.59 | 1.62 | -0.03 |
37.22 | 36.96 | 0.26 |