| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.71 | 2.07 | 0.64 |
| Feb | 1.90 | 1.48 | 0.42 |
| Mar | 2.26 | 1.36 | 0.90 |
| Apr | 1.62 | 1.23 | 0.39 |
| May | 1.58 | 1.24 | 0.34 |
| Jun | 0.79 | 0.75 | 0.04 |
| Jul | 0.29 | 0.18 | 0.11 |
| Aug | 0.31 | 0.33 | -0.02 |
| Sep | 0.52 | 0.36 | 0.16 |
| Oct | 1.10 | 0.83 | 0.27 |
| Nov | 2.25 | 1.76 | 0.49 |
| Dec | 3.18 | 2.39 | 0.79 |
18.51 | 13.98 | 4.53 |