| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.15 | 2.06 | 0.09 |
| Feb | 1.53 | 1.53 | 0.00 |
| Mar | 1.87 | 1.87 | 0.00 |
| Apr | 1.46 | 1.53 | -0.07 |
| May | 1.56 | 1.47 | 0.09 |
| Jun | 1.15 | 1.19 | -0.04 |
| Jul | 0.45 | 0.50 | -0.05 |
| Aug | 0.36 | 0.34 | 0.02 |
| Sep | 0.56 | 0.52 | 0.04 |
| Oct | 1.47 | 1.31 | 0.16 |
| Nov | 2.16 | 2.21 | -0.05 |
| Dec | 2.37 | 2.45 | -0.08 |
17.09 | 16.98 | 0.11 |