condition mean min max 4 h after light 684.1723395 568.738072 799.606607 8 h after light 456.2729565 437.952799 474.593114 12 h after light 376.615284 289.829126 463.401442 4 h after dark 564.841354 338.42953 791.253178 8 h after dark 931.0918624999999 921.143001 941.040724 12 h after dark 1027.115543 1027.115543 1027.115543