condition mean min max 4 h after light 0.25986200000000004 0.229991 0.289733 8 h after light 2.306345 1.97183 2.64086 12 h after light 1.802025 1.5972 2.00685 4 h after dark 2.5228650000000004 2.38954 2.65619 8 h after dark 2.08648 1.78316 2.3898 12 h after dark 1.40402 1.37396 1.43408