condition mean min max 4 h after light 557.6 557.6 557.6 8 h after light 887.2 862.0 912.4 12 h after light 859.1999999999999 688.8 1029.6 4 h after dark 836.55 785.7 887.4 8 h after dark 782.15 494.2 1070.1 12 h after dark 799.6 719.7 879.5