condition mean min max 4 h after light 3.481281666666667 2.851897 4.571611 8 h after light 2.078052 1.4833530000000001 2.447857 12 h after light 1.4736946666666666 1.399258 1.550426 16 h after light 30.250534333333338 2.572707 82.84078000000001 4 h after dark 4.391901 3.435542 6.22687 8 h after dark 1.5155786666666666 1.4488889999999999 1.5808799999999998