condition mean min max 4 h after light 12.159184 11.526815 12.791553 8 h after light 11.6829345 11.592316 11.773553 12 h after light 13.837347999999999 11.191047 16.483649 4 h after dark 12.435830500000002 11.764715 13.106946 8 h after dark 12.4335795 10.854513 14.012646 12 h after dark 17.422932 17.422932 17.422932