| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.17 | 5.48 | -0.31 |
| Feb | 4.33 | 4.44 | -0.11 |
| Mar | 5.05 | 5.12 | -0.07 |
| Apr | 5.17 | 5.51 | -0.34 |
| May | 4.39 | 4.88 | -0.49 |
| Jun | 6.30 | 6.63 | -0.33 |
| Jul | 7.76 | 8.38 | -0.62 |
| Aug | 6.61 | 7.18 | -0.57 |
| Sep | 6.00 | 6.49 | -0.49 |
| Oct | 4.17 | 4.27 | -0.10 |
| Nov | 4.35 | 4.45 | -0.10 |
| Dec | 5.10 | 5.20 | -0.10 |
64.40 | 68.03 | -3.63 |