condition mean min max 0 h after light 581.1134999999999 577.307 584.92 4 h after light 764.2495 747.403 781.096 8 h after light 599.192 566.035 632.349 4 h after dark 185.6625 167.559 203.766 8 h after dark 304.8085 277.576 332.041 12 h after dark 737.3915 683.681 791.102