| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.79 | 1.37 | -0.58 |
| Feb | 0.83 | 1.41 | -0.58 |
| Mar | 1.05 | 1.54 | -0.49 |
| Apr | 0.87 | 1.10 | -0.23 |
| May | 0.84 | 1.22 | -0.38 |
| Jun | 1.02 | 0.95 | 0.07 |
| Jul | 3.02 | 3.17 | -0.15 |
| Aug | 2.94 | 2.73 | 0.21 |
| Sep | 1.73 | 1.94 | -0.21 |
| Oct | 1.45 | 1.61 | -0.16 |
| Nov | 1.00 | 1.41 | -0.41 |
| Dec | 1.26 | 1.66 | -0.40 |
16.80 | 20.11 | -3.31 |