condition mean min max 0 h after light 11.7088 11.5311 11.8865 2 h after light 10.249500000000001 10.172 10.327 4 h after light 11.3896 11.0695 11.7097 8 h after light 7.961225 7.19651 8.72594 12 h after light 13.5278 12.2378 14.8178 2 h after dark 18.84675 18.0377 19.6558 4 h after dark 15.301400000000001 14.1988 16.404 8 h after dark 16.097 15.9808 16.2132 12 h after dark 13.02665 12.686 13.3673