| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.56 | 1.61 | -0.05 |
| Feb | 1.61 | 1.63 | -0.02 |
| Mar | 1.33 | 1.44 | -0.11 |
| Apr | 0.79 | 0.89 | -0.10 |
| May | 0.75 | 0.58 | 0.17 |
| Jun | 0.36 | 0.27 | 0.09 |
| Jul | 2.51 | 2.40 | 0.11 |
| Aug | 2.91 | 2.60 | 0.31 |
| Sep | 1.63 | 1.70 | -0.07 |
| Oct | 1.27 | 1.23 | 0.04 |
| Nov | 1.11 | 1.19 | -0.08 |
| Dec | 1.53 | 1.53 | 0.00 |
17.36 | 17.07 | 0.29 |