condition mean min max 4 h after light 7.427442666666667 5.551038 10.28576 8 h after light 2.9040666666666666 2.4711279999999998 3.4295980000000004 12 h after light 6.783639 5.338165 8.209454 16 h after light 8.838448 7.433275999999999 10.492389999999999 4 h after dark 6.948499666666667 4.320501999999999 8.807869 8 h after dark 9.226424333333334 6.857202 12.92269