condition mean min max 4 h after light 8.32521 4.35169 11.5312 8 h after light 15.138106666666667 7.14202 21.8139 12 h after light 22.320999999999998 19.7641 27.3402 4 h after dark 24.800133333333335 19.3096 33.9669 8 h after dark 18.212066666666665 17.4938 18.6623 12 h after dark 16.6867 10.9142 22.6635