| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.02 | 1.20 | -0.18 |
| Feb | 0.99 | 1.26 | -0.27 |
| Mar | 1.17 | 1.46 | -0.29 |
| Apr | 1.28 | 1.58 | -0.30 |
| May | 1.30 | 1.47 | -0.17 |
| Jun | 0.70 | 0.79 | -0.09 |
| Jul | 1.82 | 1.79 | 0.03 |
| Aug | 1.92 | 2.10 | -0.18 |
| Sep | 1.66 | 1.96 | -0.30 |
| Oct | 1.29 | 1.56 | -0.27 |
| Nov | 1.04 | 1.25 | -0.21 |
| Dec | 1.13 | 1.19 | -0.06 |
15.32 | 17.61 | -2.29 |