condition mean min max 4 h after light 88.473 76.649 100.297 8 h after light 90.65690000000001 82.7128 98.601 12 h after light 81.8579 80.2019 83.5139 4 h after dark 103.8254 91.9472 111.787 8 h after dark 109.304 108.483 110.717 12 h after dark 96.2469 83.6628 107.35