condition mean min max 1 h after light 7.0360083155 6.635995451 7.43602118 3 h after light 7.460210899 6.142718457999999 8.536486279 5 h after light 6.017441279 4.612884787 8.318284347999999 7 h after light 7.517513533333334 5.593914726 8.527339661000001 9 h after light 9.918331292 7.548378396 11.40517453 11 h after light 12.795480177 9.980556001 15.19866223 1 h after dark 10.874618434 9.359488652000001 12.50329507 3 h after dark 9.725105801 8.208664016 11.88440632 5 h after dark 8.354230557000001 5.1999390860000005 11.99915154 7 h after dark 7.011497565666667 6.371781927000001 7.956861022999999 9 h after dark 5.459910873 4.113969481 6.1806430820000005 11 h after dark 6.507038906 4.68108785 10.15202738