condition mean min max 3 h after light 6.814946666666667 6.34318 7.11886 6 h after light 10.648443333333333 9.30326 12.89 9 h after light 15.354700000000001 13.7596 16.8883 12 h after light 15.898620000000001 6.00508 19.6629 3 h after dark 14.344566666666665 13.3891 15.1892 6 h after dark 9.02069 7.6546 10.5127 9 h after dark 5.41615 4.73819 6.57001 12 h after dark 3.402465 3.23324 3.57169