| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.07 | 6.43 | -0.36 |
| Feb | 4.43 | 4.80 | -0.37 |
| Mar | 4.62 | 4.73 | -0.11 |
| Apr | 3.40 | 3.48 | -0.08 |
| May | 2.25 | 2.34 | -0.09 |
| Jun | 1.10 | 1.17 | -0.07 |
| Jul | 0.29 | 0.34 | -0.05 |
| Aug | 0.31 | 0.39 | -0.08 |
| Sep | 1.01 | 1.13 | -0.12 |
| Oct | 3.00 | 3.17 | -0.17 |
| Nov | 6.03 | 6.12 | -0.09 |
| Dec | 7.59 | 8.21 | -0.62 |
40.10 | 42.31 | -2.21 |