condition mean min max 3 h after light 216.143 189.585 252.07 6 h after light 263.497 204.615 340.165 9 h after light 331.8996666666667 283.499 373.875 12 h after light 392.02975 200.513 495.93 3 h after dark 297.80566666666664 253.174 329.971 6 h after dark 222.97066666666666 205.124 245.558 9 h after dark 177.055 143.139 194.547 12 h after dark 138.344 114.204 162.484