condition mean min max 4 h after light 4.2204733333333335 4.06606 4.37142 8 h after light 4.65897 4.523219999999999 4.7565 12 h after light 4.7301 4.50772 4.87894 4 h after dark 4.56311 4.43061 4.66376 8 h after dark 4.4830266666666665 4.40872 4.59586 12 h after dark 4.412473333333334 4.3591 4.4583