condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.3476345 0.226701 0.468568 8 h after light 0.23076999999999998 0.227483 0.234057 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.112311 0.0 0.224622