condition mean min max 4 h after light 946.4130054999999 757.249554 1135.576457 8 h after light 865.374282 748.645326 982.103238 12 h after light 819.306819 774.515942 864.097696 4 h after dark 848.1516495000001 796.385903 899.917396 8 h after dark 764.5675795 710.30898 818.826179 12 h after dark 741.047745 741.047745 741.047745