condition mean min max 3 h after light 5.247545833333334 1.82461 9.32995 7 h after light 10.604965 4.3438 15.1022 11 h after light 12.395726666666667 5.16048 19.9671 2 h after dark 10.80525 4.8856 22.2592 6 h after dark 7.038673333333334 3.84517 11.0557 10 h after dark 6.591615 2.97518 14.217