| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.48 | 6.18 | 0.30 |
| Feb | 4.66 | 4.63 | 0.03 |
| Mar | 4.88 | 4.59 | 0.29 |
| Apr | 3.26 | 3.38 | -0.12 |
| May | 2.27 | 2.40 | -0.13 |
| Jun | 1.30 | 1.49 | -0.19 |
| Jul | 0.30 | 0.31 | -0.01 |
| Aug | 0.43 | 0.43 | 0.00 |
| Sep | 1.40 | 1.45 | -0.05 |
| Oct | 3.52 | 3.50 | 0.02 |
| Nov | 6.31 | 6.32 | -0.01 |
| Dec | 7.39 | 7.38 | 0.01 |
42.20 | 42.06 | 0.14 |