| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.02 | 1.06 | -0.04 |
| Feb | 1.36 | 1.47 | -0.11 |
| Mar | 2.16 | 2.23 | -0.07 |
| Apr | 3.83 | 3.90 | -0.07 |
| May | 5.24 | 5.37 | -0.13 |
| Jun | 5.10 | 5.29 | -0.19 |
| Jul | 4.57 | 4.61 | -0.04 |
| Aug | 4.27 | 4.24 | 0.03 |
| Sep | 3.82 | 3.96 | -0.14 |
| Oct | 2.94 | 2.88 | 0.06 |
| Nov | 2.12 | 2.03 | 0.09 |
| Dec | 1.45 | 1.50 | -0.05 |
37.88 | 38.54 | -0.66 |