| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.02 | 5.94 | 0.08 |
| Feb | 4.48 | 4.44 | 0.04 |
| Mar | 4.34 | 4.44 | -0.10 |
| Apr | 3.02 | 3.31 | -0.29 |
| May | 2.19 | 2.34 | -0.15 |
| Jun | 1.42 | 1.56 | -0.14 |
| Jul | 0.36 | 0.42 | -0.06 |
| Aug | 0.52 | 0.49 | 0.03 |
| Sep | 1.40 | 1.44 | -0.04 |
| Oct | 3.47 | 3.65 | -0.18 |
| Nov | 6.21 | 6.23 | -0.02 |
| Dec | 7.19 | 7.18 | 0.01 |
40.62 | 41.44 | -0.82 |