condition mean min max 4 h after light 12.541255000000001 9.358685000000001 14.781170000000001 8 h after light 17.118233333333333 12.39949 22.12527 12 h after light 11.38894 10.66868 11.79663 16 h after light 14.797205333333334 5.069296 23.41776 4 h after dark 10.722554 6.991612 12.93345 8 h after dark 7.4256236666666675 6.904447 8.241057000000001