condition mean min max 4 h after light 153.4608 141.4105 162.2438 8 h after light 96.70116666666667 76.03223 122.0288 12 h after light 91.76083 75.46115999999999 122.2816 16 h after light 127.5958 109.6247 159.6406 4 h after dark 162.0332 153.3507 172.6399 8 h after dark 118.63062666666667 92.48158000000001 131.8758