condition mean min max 4 h after light 39.759386666666664 31.530079999999998 55.16698 8 h after light 22.584653333333335 11.011569999999999 29.92585 12 h after light 10.014897666666666 8.378305000000001 12.14986 16 h after light 18.452673333333333 11.53615 24.77436 4 h after dark 72.36038333333333 57.3143 94.28208000000001 8 h after dark 10.364419999999999 9.218721 12.43982