condition mean min max 2 h after light 7.3202 7.18658 7.46568 6 h after light 8.056750000000001 7.66181 8.67074 10 h after light 7.710063333333333 6.97253 8.43689 2 h after dark 8.67866 7.36833 9.69501 6 h after dark 11.991066666666667 11.545 12.4062 10 h after dark 13.5465 13.3846 13.6375