condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.02131935 0.0 0.0426387 12 h after light 0.121151 0.104151 0.138151 4 h after dark 0.16062300000000002 0.136549 0.184697 8 h after dark 0.0340134 0.0228095 0.0452173 12 h after dark 0.041362499999999996 0.0378132 0.0449118