condition mean min max 0 h after light 0.7766515 0.435483 1.11782 4 h after light 0.7490765 0.612283 0.88587 8 h after light 0.5943295 0.430077 0.758582 4 h after dark 1.2828650000000001 1.04095 1.52478 8 h after dark 0.88968 0.67845 1.10091 12 h after dark 0.614773 0.485334 0.744212