condition mean min max 4 h after light 12.8757635 11.716984 14.034543 8 h after light 13.1561995 12.371024 13.941375 12 h after light 13.351184499999999 10.663814 16.038555 4 h after dark 11.051395 10.367496 11.735294 8 h after dark 15.038826 13.659739 16.417913 12 h after dark 12.736933 12.736933 12.736933