condition mean min max 0 h after light 10.015925 9.68235 10.3495 2 h after light 6.419829999999999 6.00383 6.83583 4 h after light 7.48331 7.20558 7.76104 8 h after light 4.4796949999999995 4.22066 4.73873 12 h after light 5.2637350000000005 5.09527 5.4322 2 h after dark 6.27647 5.84533 6.70761 4 h after dark 6.571949999999999 5.36478 7.77912 8 h after dark 6.59374 6.11298 7.0745 12 h after dark 10.18804 9.30988 11.0662