| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.58 | 2.07 | -0.49 |
| Feb | 1.27 | 1.55 | -0.28 |
| Mar | 1.43 | 1.58 | -0.15 |
| Apr | 1.36 | 1.45 | -0.09 |
| May | 1.50 | 1.53 | -0.03 |
| Jun | 0.85 | 0.96 | -0.11 |
| Jul | 0.32 | 0.35 | -0.03 |
| Aug | 0.24 | 0.21 | 0.03 |
| Sep | 0.50 | 0.53 | -0.03 |
| Oct | 0.93 | 0.98 | -0.05 |
| Nov | 1.38 | 1.54 | -0.16 |
| Dec | 1.81 | 2.21 | -0.40 |
13.17 | 14.96 | -1.79 |