condition mean min max 0 h after light 0.253428 0.184102 0.322754 4 h after light 0.1611025 0.14069 0.181515 8 h after light 0.24300850000000002 0.204909 0.281108 4 h after dark 0.24910749999999998 0.248616 0.249599 8 h after dark 0.205033 0.158653 0.251413 12 h after dark 0.1816025 0.160873 0.202332