condition mean min max 4 h after light 29.01625 16.0797 41.9528 8 h after light 11.9377 11.1488 12.7266 12 h after light 20.929650000000002 20.4162 21.4431 4 h after dark 23.521 17.9613 26.403 8 h after dark 30.806866666666668 21.7576 38.0718 12 h after dark 37.2947 31.4641 48.4452