| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.27 | 4.42 | -0.15 |
| Feb | 3.64 | 3.77 | -0.13 |
| Mar | 3.64 | 3.65 | -0.01 |
| Apr | 3.53 | 3.56 | -0.03 |
| May | 4.21 | 4.30 | -0.09 |
| Jun | 5.07 | 4.57 | 0.50 |
| Jul | 6.10 | 5.70 | 0.40 |
| Aug | 7.49 | 7.34 | 0.15 |
| Sep | 7.93 | 8.41 | -0.48 |
| Oct | 4.51 | 4.90 | -0.39 |
| Nov | 4.02 | 4.31 | -0.29 |
| Dec | 4.11 | 4.34 | -0.23 |
58.52 | 59.27 | -0.75 |