| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.29 | 6.48 | 2.81 |
| Feb | 9.07 | 6.34 | 2.73 |
| Mar | 6.36 | 4.92 | 1.44 |
| Apr | 3.39 | 2.25 | 1.14 |
| May | 1.50 | 1.24 | 0.26 |
| Jun | 0.38 | 0.37 | 0.01 |
| Jul | 0.02 | 0.03 | -0.01 |
| Aug | 0.05 | 0.07 | -0.02 |
| Sep | 0.17 | 0.14 | 0.03 |
| Oct | 2.17 | 1.57 | 0.60 |
| Nov | 4.92 | 3.40 | 1.52 |
| Dec | 9.76 | 6.95 | 2.81 |
47.08 | 33.76 | 13.32 |