condition mean min max 3 h after light 0.490597 0.248027 0.802809 6 h after light 0.994074 0.626112 1.38341 9 h after light 1.6036299999999999 1.48236 1.67923 12 h after light 2.245 1.57878 2.84143 3 h after dark 3.6478166666666665 3.40527 4.06944 6 h after dark 3.5171966666666665 2.79485 4.87266 9 h after dark 2.6984466666666664 1.5634 3.31474 12 h after dark 1.320905 1.27312 1.36869