condition mean min max 4 h after light 2.324115 2.16018 2.48805 8 h after light 1.7121 1.51186 1.91234 12 h after light 1.654865 1.36069 1.94904 4 h after dark 2.255135 1.9101 2.60017 8 h after dark 7.317435 6.50225 8.13262 12 h after dark 7.0230250000000005 3.09645 10.9496