condition mean min max 4 h after light 11.336829999999999 8.66546 14.0082 8 h after light 9.074394999999999 8.72446 9.42433 12 h after light 9.287245 7.53109 11.0434 4 h after dark 13.1824 12.499 13.8929 8 h after dark 12.6709 11.6662 13.9328 12 h after dark 13.335433333333334 11.316 14.743