| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.54 | 9.77 | -0.23 |
| Feb | 7.89 | 8.05 | -0.16 |
| Mar | 6.45 | 5.18 | 1.27 |
| Apr | 3.17 | 2.76 | 0.41 |
| May | 2.06 | 1.54 | 0.52 |
| Jun | 0.35 | 0.29 | 0.06 |
| Jul | 0.01 | 0.00 | 0.01 |
| Aug | 0.06 | 0.05 | 0.01 |
| Sep | 0.15 | 0.11 | 0.04 |
| Oct | 2.13 | 2.01 | 0.12 |
| Nov | 4.54 | 4.03 | 0.51 |
| Dec | 10.06 | 11.20 | -1.14 |
46.41 | 44.99 | 1.42 |