condition mean min max 4 h after light 706.249866 664.538417 747.961315 8 h after light 710.6746515 686.622058 734.727245 12 h after light 875.185379 840.001288 910.36947 4 h after dark 702.6823245 633.956773 771.407876 8 h after dark 939.3502625 839.096894 1039.603631 12 h after dark 938.138979 938.138979 938.138979