| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.96 | 1.02 | -0.06 |
| Feb | 1.42 | 1.46 | -0.04 |
| Mar | 2.29 | 2.34 | -0.05 |
| Apr | 3.75 | 3.97 | -0.22 |
| May | 5.06 | 5.18 | -0.12 |
| Jun | 5.42 | 5.33 | 0.09 |
| Jul | 4.23 | 4.16 | 0.07 |
| Aug | 4.42 | 4.38 | 0.04 |
| Sep | 3.79 | 3.88 | -0.09 |
| Oct | 3.03 | 3.17 | -0.14 |
| Nov | 1.97 | 1.99 | -0.02 |
| Dec | 1.56 | 1.64 | -0.08 |
37.90 | 38.52 | -0.62 |