| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.20 | 1.18 | 0.02 |
| Feb | 1.31 | 1.19 | 0.12 |
| Mar | 1.61 | 1.41 | 0.20 |
| Apr | 2.27 | 2.37 | -0.10 |
| May | 2.21 | 2.04 | 0.17 |
| Jun | 1.54 | 1.20 | 0.34 |
| Jul | 1.47 | 1.11 | 0.36 |
| Aug | 1.37 | 1.36 | 0.01 |
| Sep | 1.56 | 1.41 | 0.15 |
| Oct | 1.57 | 1.43 | 0.14 |
| Nov | 1.32 | 1.31 | 0.01 |
| Dec | 1.31 | 1.20 | 0.11 |
18.74 | 17.21 | 1.53 |