condition mean min max 0 h after light 57.053 55.9013 58.2047 4 h after light 36.1207 31.9655 40.2759 8 h after light 30.919600000000003 29.2167 32.6225 4 h after dark 44.9884 42.1213 47.8555 8 h after dark 40.464749999999995 39.9084 41.0211 12 h after dark 48.720749999999995 48.5139 48.9276