condition mean min max 3 h after light 1443.23 1240.13 1579.86 6 h after light 1392.95 1222.15 1516.69 9 h after light 941.9063333333332 723.011 1104.85 12 h after light 583.8073333333333 476.342 756.391 3 h after dark 543.2280000000001 500.531 587.893 6 h after dark 1098.4523333333334 939.337 1257.37 9 h after dark 1398.4233333333334 1212.26 1621.0 12 h after dark 1437.02 1249.49 1605.62