condition mean min max 0 h after light 1.4886650000000001 1.48734 1.48999 4 h after light 2.66593 2.40914 2.92272 8 h after light 1.335095 1.15617 1.51402 4 h after dark 1.9853399999999999 1.46653 2.50415 8 h after dark 2.6263699999999996 2.53232 2.72042 12 h after dark 1.201615 0.74267 1.66056