condition mean min max 4 h after light 0.09798760000000001 0.0976066 0.0983686 8 h after light 0.10199475 0.0711595 0.13283 12 h after light 0.2641905 0.227119 0.301262 4 h after dark 0.5716885 0.510461 0.632916 8 h after dark 0.7002139999999999 0.667939 0.732489 12 h after dark 0.2856915 0.235595 0.335788