condition mean min max 4 h after light 803.3 803.3 803.3 8 h after light 810.25 681.3 939.2 12 h after light 944.1999999999999 825.8 1062.6 4 h after dark 988.05 977.7 998.4 8 h after dark 1165.75 872.2 1459.3 12 h after dark 1414.25 1177.9 1650.6