| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.39 | 1.01 | 0.38 |
| Feb | 1.30 | 1.14 | 0.16 |
| Mar | 1.31 | 1.04 | 0.27 |
| Apr | 1.30 | 1.10 | 0.20 |
| May | 1.28 | 1.21 | 0.07 |
| Jun | 0.66 | 0.64 | 0.02 |
| Jul | 1.23 | 1.29 | -0.06 |
| Aug | 1.36 | 1.26 | 0.10 |
| Sep | 1.65 | 1.75 | -0.10 |
| Oct | 1.56 | 1.43 | 0.13 |
| Nov | 1.17 | 0.96 | 0.21 |
| Dec | 1.42 | 1.14 | 0.28 |
15.63 | 13.97 | 1.66 |