| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 8.65 | 9.08 | -0.43 |
| Feb | 6.96 | 6.94 | 0.02 |
| Mar | 8.01 | 7.83 | 0.18 |
| Apr | 6.24 | 6.56 | -0.32 |
| May | 4.23 | 4.34 | -0.11 |
| Jun | 2.72 | 2.89 | -0.17 |
| Jul | 0.62 | 0.68 | -0.06 |
| Aug | 0.81 | 0.67 | 0.14 |
| Sep | 2.37 | 2.26 | 0.11 |
| Oct | 5.73 | 5.53 | 0.20 |
| Nov | 9.20 | 9.05 | 0.15 |
| Dec | 10.43 | 9.97 | 0.46 |
65.97 | 65.80 | 0.17 |