| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.53 | 0.77 | -0.24 |
| Feb | 0.74 | 0.94 | -0.20 |
| Mar | 1.56 | 1.80 | -0.24 |
| Apr | 2.29 | 2.77 | -0.48 |
| May | 2.34 | 2.73 | -0.39 |
| Jun | 1.81 | 1.95 | -0.14 |
| Jul | 2.03 | 2.01 | 0.02 |
| Aug | 2.04 | 2.03 | 0.01 |
| Sep | 1.43 | 1.82 | -0.39 |
| Oct | 1.16 | 1.39 | -0.23 |
| Nov | 0.81 | 1.03 | -0.22 |
| Dec | 0.57 | 0.77 | -0.20 |
17.31 | 20.01 | -2.70 |