condition mean min max 4 h after light 592.0490666666667 543.4903 648.8794 8 h after light 541.5760333333333 472.5575 609.3978 12 h after light 419.26730000000003 362.8093 492.8783 16 h after light 721.9948666666667 597.1252 845.8451 4 h after dark 872.0094 767.3864 1020.789 8 h after dark 462.9033 397.336 573.0976