condition mean min max 0 h after light 7.164905 6.50106 7.82875 2 h after light 9.767045 6.22979 13.3043 4 h after light 7.91694 6.89165 8.94223 8 h after light 9.65044 7.40568 11.8952 12 h after light 13.812999999999999 12.8531 14.7729 2 h after dark 15.905850000000001 12.9502 18.8615 4 h after dark 8.89545 6.1554 11.6355 8 h after dark 9.022680000000001 6.57236 11.473 12 h after dark 13.513584999999999 9.91597 17.1112