| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.49 | 0.63 | -0.14 |
| Feb | 0.54 | 0.70 | -0.16 |
| Mar | 1.19 | 1.65 | -0.46 |
| Apr | 1.95 | 2.41 | -0.46 |
| May | 2.26 | 2.55 | -0.29 |
| Jun | 1.81 | 1.98 | -0.17 |
| Jul | 2.23 | 2.28 | -0.05 |
| Aug | 1.90 | 2.27 | -0.37 |
| Sep | 1.29 | 1.48 | -0.19 |
| Oct | 0.98 | 1.24 | -0.26 |
| Nov | 0.66 | 0.88 | -0.22 |
| Dec | 0.53 | 0.68 | -0.15 |
15.83 | 18.75 | -2.92 |