| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.68 | 5.91 | -0.23 |
| Feb | 4.22 | 4.36 | -0.14 |
| Mar | 4.13 | 4.42 | -0.29 |
| Apr | 2.92 | 3.32 | -0.40 |
| May | 2.19 | 2.41 | -0.22 |
| Jun | 1.43 | 1.60 | -0.17 |
| Jul | 0.37 | 0.44 | -0.07 |
| Aug | 0.52 | 0.48 | 0.04 |
| Sep | 1.38 | 1.46 | -0.08 |
| Oct | 3.37 | 3.68 | -0.31 |
| Nov | 5.89 | 6.20 | -0.31 |
| Dec | 6.74 | 7.04 | -0.30 |
38.84 | 41.32 | -2.48 |