condition mean min max 4 h after light 6251.9359110000005 6092.270518 6411.601304 8 h after light 6082.334341 6017.07405 6147.594632 12 h after light 6061.9851855 5897.877365 6226.093006 4 h after dark 5869.0536995 5542.459894 6195.647505 8 h after dark 4746.3624500000005 3535.280245 5957.444655 12 h after dark 5849.725622 5849.725622 5849.725622