condition mean min max 4 h after light 1072.2979666666665 943.8609 1202.213 8 h after light 1047.242 784.0939999999999 1291.138 12 h after light 1321.0986666666665 1193.829 1506.683 16 h after light 2475.827333333333 2182.5029999999997 3008.0 4 h after dark 3228.4236666666666 2781.619 3522.974 8 h after dark 1890.984 1435.625 2347.6079999999997