| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.27 | 1.67 | -0.40 |
| Feb | 1.17 | 1.51 | -0.34 |
| Mar | 1.18 | 1.54 | -0.36 |
| Apr | 1.48 | 1.78 | -0.30 |
| May | 1.52 | 1.81 | -0.29 |
| Jun | 0.86 | 0.92 | -0.06 |
| Jul | 1.05 | 1.09 | -0.04 |
| Aug | 1.19 | 1.26 | -0.07 |
| Sep | 1.64 | 1.91 | -0.27 |
| Oct | 1.53 | 1.83 | -0.30 |
| Nov | 1.14 | 1.49 | -0.35 |
| Dec | 1.12 | 1.45 | -0.33 |
15.15 | 18.26 | -3.11 |