condition mean min max 0 h after light 13.5261 12.1077 14.9445 2 h after light 6.82188 6.37831 7.26545 4 h after light 5.2036 4.98458 5.42262 8 h after light 9.25061 8.19232 10.3089 12 h after light 11.608699999999999 10.588 12.6294 2 h after dark 8.36617 6.30894 10.4234 4 h after dark 15.85315 15.048 16.6583 8 h after dark 18.2312 17.2088 19.2536 12 h after dark 12.257249999999999 10.5846 13.9299