| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.24 | 5.97 | 0.27 |
| Feb | 6.22 | 6.05 | 0.17 |
| Mar | 4.31 | 4.24 | 0.07 |
| Apr | 2.06 | 2.06 | 0.00 |
| May | 1.08 | 1.22 | -0.14 |
| Jun | 0.26 | 0.31 | -0.05 |
| Jul | 0.01 | 0.02 | -0.01 |
| Aug | 0.04 | 0.05 | -0.01 |
| Sep | 0.13 | 0.12 | 0.01 |
| Oct | 1.51 | 1.57 | -0.06 |
| Nov | 3.42 | 3.17 | 0.25 |
| Dec | 6.60 | 6.33 | 0.27 |
31.88 | 31.11 | 0.77 |