| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.05 | 5.98 | 0.07 |
| Feb | 6.09 | 6.00 | 0.09 |
| Mar | 4.19 | 3.96 | 0.23 |
| Apr | 2.01 | 2.03 | -0.02 |
| May | 1.04 | 1.20 | -0.16 |
| Jun | 0.26 | 0.31 | -0.05 |
| Jul | 0.01 | 0.02 | -0.01 |
| Aug | 0.05 | 0.05 | 0.00 |
| Sep | 0.12 | 0.11 | 0.01 |
| Oct | 1.46 | 1.45 | 0.01 |
| Nov | 3.36 | 3.10 | 0.26 |
| Dec | 6.43 | 6.16 | 0.27 |
31.07 | 30.37 | 0.70 |