| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.22 | 1.14 | 0.08 |
| Feb | 1.32 | 1.13 | 0.19 |
| Mar | 1.58 | 1.18 | 0.40 |
| Apr | 1.75 | 1.46 | 0.29 |
| May | 1.79 | 1.65 | 0.14 |
| Jun | 1.18 | 1.22 | -0.04 |
| Jul | 1.60 | 1.38 | 0.22 |
| Aug | 1.47 | 1.66 | -0.19 |
| Sep | 1.60 | 1.53 | 0.07 |
| Oct | 1.37 | 1.32 | 0.05 |
| Nov | 1.17 | 1.17 | 0.00 |
| Dec | 1.18 | 1.01 | 0.17 |
17.23 | 15.85 | 1.38 |