condition mean min max 0 h after light 12.6419 12.6148 12.669 2 h after light 11.3422 10.8143 11.8701 4 h after light 8.737745 8.23108 9.24441 8 h after light 9.014064999999999 8.61577 9.41236 12 h after light 9.98142 9.79574 10.1671 2 h after dark 11.475950000000001 11.4585 11.4934 4 h after dark 13.988399999999999 13.9063 14.0705 8 h after dark 18.318649999999998 17.2713 19.366 12 h after dark 16.441650000000003 14.8853 17.998