condition mean min max 0 h after light 16.96155 16.9241 16.999 4 h after light 16.180300000000003 15.916 16.4446 8 h after light 13.081 12.6023 13.5597 4 h after dark 16.52475 14.1896 18.8599 8 h after dark 18.38925 17.7145 19.064 12 h after dark 16.776249999999997 16.508 17.0445