condition mean min max 4 h after light 680.7 680.7 680.7 8 h after light 597.4000000000001 558.1 636.7 12 h after light 815.9 544.3 1087.5 4 h after dark 1308.1 986.5 1629.7 8 h after dark 1681.35 1422.7 1940.0 12 h after dark 1515.4 1446.2 1584.6