condition mean min max 3 h after light 0.9872393333333334 0.668102 1.57458 6 h after light 1.45037 1.18752 1.61782 9 h after light 1.513394 0.705802 2.34192 12 h after light 2.334725 2.09751 2.83252 3 h after dark 2.4814166666666666 2.03957 2.97264 6 h after dark 3.0066466666666667 1.88479 3.86672 9 h after dark 1.0586206666666667 0.794091 1.39735 12 h after dark 2.052155 1.25025 2.85406