| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 8.19 | 9.09 | -0.90 |
| Feb | 8.07 | 8.36 | -0.29 |
| Mar | 6.02 | 5.64 | 0.38 |
| Apr | 2.78 | 2.71 | 0.07 |
| May | 1.52 | 1.49 | 0.03 |
| Jun | 0.28 | 0.32 | -0.04 |
| Jul | 0.01 | 0.01 | 0.00 |
| Aug | 0.03 | 0.04 | -0.01 |
| Sep | 0.14 | 0.09 | 0.05 |
| Oct | 1.86 | 1.77 | 0.09 |
| Nov | 4.21 | 4.19 | 0.02 |
| Dec | 8.77 | 9.08 | -0.31 |
41.88 | 42.79 | -0.91 |