condition mean min max 2 h after light 19.062571666666667 7.06506 56.5635 6 h after light 31.683405 4.38236 107.044 10 h after light 35.453586666666666 2.59651 94.9831 14 h after light 7.697078333333334 5.96555 9.64593 18 h after light 6.93062 4.27184 10.4009 2 h after dark 19.170265 4.43581 73.3368