condition mean min max 4 h after light 0.09852425000000001 0.0430745 0.153974 8 h after light 0.13183 0.12475 0.13891 12 h after light 0.142135 0.132698 0.151572 4 h after dark 0.24920949999999997 0.173422 0.324997 8 h after dark 0.2942115 0.168667 0.419756 12 h after dark 0.1132275 0.03285 0.193605