condition mean min max 3 h after light 2.75733 1.29817 5.10062 7 h after light 2.157916666666667 1.15944 4.16713 11 h after light 2.4610783333333335 1.20751 3.22094 2 h after dark 2.284543833333333 0.946966 3.63188 6 h after dark 3.03164 1.2966 5.19506 10 h after dark 3.404976083333333 0.785063 6.28518