condition mean min max 0 h after light 12.3235 11.0412 13.6058 2 h after light 14.744399999999999 14.4026 15.0862 4 h after light 14.86295 14.7836 14.9423 8 h after light 16.1734 15.0903 17.2565 12 h after light 21.1432 19.0641 23.2223 2 h after dark 18.15495 17.8807 18.4292 4 h after dark 16.17005 16.0309 16.3092 8 h after dark 14.586 14.2695 14.9025 12 h after dark 11.7534 10.5321 12.9747