| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.99 | 9.82 | 0.17 |
| Feb | 7.69 | 7.45 | 0.24 |
| Mar | 7.30 | 7.45 | -0.15 |
| Apr | 4.27 | 4.35 | -0.08 |
| May | 2.23 | 2.07 | 0.16 |
| Jun | 0.95 | 0.88 | 0.07 |
| Jul | 0.26 | 0.29 | -0.03 |
| Aug | 0.30 | 0.25 | 0.05 |
| Sep | 0.81 | 0.66 | 0.15 |
| Oct | 3.32 | 3.67 | -0.35 |
| Nov | 7.75 | 7.65 | 0.10 |
| Dec | 11.94 | 11.35 | 0.59 |
56.81 | 55.89 | 0.92 |