condition mean min max 0 h after light 8.257855 7.0614 9.45431 2 h after light 6.598955 5.52952 7.66839 4 h after light 7.124594999999999 6.0493 8.19989 8 h after light 9.72313 8.57946 10.8668 12 h after light 14.464649999999999 11.86 17.0693 2 h after dark 12.7696 12.2214 13.3178 4 h after dark 10.059750000000001 9.5245 10.595 8 h after dark 9.999925000000001 9.65465 10.3452 12 h after dark 8.560559999999999 8.0444 9.07672