| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.02 | 3.88 | 0.14 |
| Feb | 3.52 | 3.60 | -0.08 |
| Mar | 3.86 | 3.86 | 0.00 |
| Apr | 3.54 | 3.44 | 0.10 |
| May | 4.39 | 4.29 | 0.10 |
| Jun | 5.49 | 5.09 | 0.40 |
| Jul | 6.33 | 6.28 | 0.05 |
| Aug | 7.27 | 7.60 | -0.33 |
| Sep | 7.70 | 8.05 | -0.35 |
| Oct | 4.23 | 4.49 | -0.26 |
| Nov | 3.70 | 3.83 | -0.13 |
| Dec | 3.86 | 3.80 | 0.06 |
57.91 | 58.21 | -0.30 |