condition mean min max 0 h after light 8.16267 3.46194 12.8634 2 h after light 6.767200000000001 6.01742 7.51698 4 h after light 10.116679999999999 7.62426 12.6091 8 h after light 6.62753 5.53519 7.71987 12 h after light 16.56645 15.907 17.2259 2 h after dark 20.179299999999998 18.761 21.5976 4 h after dark 12.499780000000001 7.48476 17.5148 8 h after dark 18.3445 18.0854 18.6036 12 h after dark 6.7560150000000005 5.50229 8.00974