| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.04 | 5.32 | -0.28 |
| Feb | 5.11 | 5.46 | -0.35 |
| Mar | 5.33 | 5.53 | -0.20 |
| Apr | 5.19 | 5.49 | -0.30 |
| May | 4.72 | 5.08 | -0.36 |
| Jun | 4.37 | 4.60 | -0.23 |
| Jul | 5.08 | 5.22 | -0.14 |
| Aug | 4.62 | 4.39 | 0.23 |
| Sep | 3.74 | 4.00 | -0.26 |
| Oct | 3.84 | 3.89 | -0.05 |
| Nov | 4.30 | 4.31 | -0.01 |
| Dec | 5.94 | 6.06 | -0.12 |
57.28 | 59.35 | -2.07 |