| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.17 | 6.49 | -0.32 |
| Feb | 4.47 | 4.51 | -0.04 |
| Mar | 4.10 | 4.20 | -0.10 |
| Apr | 4.97 | 5.03 | -0.06 |
| May | 5.37 | 5.37 | 0.00 |
| Jun | 6.29 | 6.50 | -0.21 |
| Jul | 5.42 | 5.72 | -0.30 |
| Aug | 5.57 | 5.69 | -0.12 |
| Sep | 4.97 | 5.18 | -0.21 |
| Oct | 4.50 | 4.99 | -0.49 |
| Nov | 4.68 | 4.76 | -0.08 |
| Dec | 4.96 | 4.89 | 0.07 |
61.47 | 63.33 | -1.86 |