condition mean min max 3 h after light 12.210806666666667 8.7028 18.0027 6 h after light 8.043289999999999 7.27577 9.04333 9 h after light 7.776373333333333 6.41501 9.39205 12 h after light 9.145056666666667 7.68141 11.9046 3 h after dark 13.8995 13.025 14.9961 6 h after dark 11.33898 9.90094 13.5261 9 h after dark 10.3559 6.5047 12.7697 12 h after dark 10.01981 7.91203 13.7723