| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.15 | 5.64 | -0.49 |
| Feb | 5.26 | 5.40 | -0.14 |
| Mar | 5.31 | 5.56 | -0.25 |
| Apr | 5.04 | 5.48 | -0.44 |
| May | 4.45 | 4.26 | 0.19 |
| Jun | 4.27 | 4.37 | -0.10 |
| Jul | 4.45 | 4.75 | -0.30 |
| Aug | 3.85 | 3.95 | -0.10 |
| Sep | 4.15 | 4.94 | -0.79 |
| Oct | 3.98 | 3.93 | 0.05 |
| Nov | 4.75 | 4.98 | -0.23 |
| Dec | 5.42 | 5.70 | -0.28 |
56.08 | 58.96 | -2.88 |