condition mean min max 4 h after light 10.1285585 9.414595 10.842522 8 h after light 10.1440375 10.083461 10.204614 12 h after light 10.990299499999999 10.361234 11.619365 4 h after dark 10.886769999999999 10.204614 11.568926 8 h after dark 9.804050499999999 9.607642 10.000459 12 h after dark 9.428551 9.428551 9.428551