condition mean min max 4 h after light 10.97768 10.60018 11.22083 8 h after light 10.98936 10.52022 11.41347 12 h after light 11.145570000000001 10.90847 11.378810000000001 4 h after dark 11.027213333333334 10.55606 11.36782 8 h after dark 10.962673333333335 10.505510000000001 11.37803 12 h after dark 10.973733333333334 10.700560000000001 11.12786