| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.20 | 6.14 | 0.06 |
| Feb | 4.42 | 4.38 | 0.04 |
| Mar | 4.36 | 4.27 | 0.09 |
| Apr | 3.02 | 2.97 | 0.05 |
| May | 2.11 | 2.03 | 0.08 |
| Jun | 1.36 | 1.31 | 0.05 |
| Jul | 0.38 | 0.33 | 0.05 |
| Aug | 0.54 | 0.48 | 0.06 |
| Sep | 1.39 | 1.27 | 0.12 |
| Oct | 3.43 | 3.36 | 0.07 |
| Nov | 6.08 | 6.12 | -0.04 |
| Dec | 7.19 | 7.39 | -0.20 |
40.48 | 40.05 | 0.43 |