condition mean min max 0 h after light 0.617424 0.493411 0.741437 4 h after light 0.121619 0.0 0.243238 8 h after light 0.247604 0.244077 0.251131 4 h after dark 0.969662 0.243254 1.69607 8 h after dark 0.7330185 0.485949 0.980088 12 h after dark 0.36419450000000003 0.246374 0.482015