condition mean min max 4 h after light 20.016203333333333 12.340019999999999 24.58525 8 h after light 13.140845666666667 6.958237 21.01376 12 h after light 23.636183333333335 18.2222 31.732870000000002 16 h after light 22.166523333333334 17.99926 24.25096 4 h after dark 15.075690000000002 13.113920000000002 16.153010000000002 8 h after dark 18.595399999999998 13.27765 22.785729999999997