condition mean min max 1 h after light 4.882734526 4.882734526 4.882734526 3 h after light 6.009925368 4.58904828 7.430802456 5 h after light 5.7005972924999995 4.711799899 6.689394686 7 h after light 7.173700030499999 6.856388237999999 7.491011822999999 9 h after light 6.2048528350000005 5.695304161 6.714401509 11 h after light 6.1635805885 6.110025275 6.217135902000001 1 h after dark 4.4567211225 2.754777083 6.158665162 3 h after dark 4.819539387 3.5929083760000005 6.046170397999999 5 h after dark 6.278265765 5.444064657999999 7.112466872000001 7 h after dark 8.518401923 7.929587291 9.107216555 9 h after dark 9.3357643365 9.138850900000001 9.532677773 11 h after dark 11.167900079999999 10.33260222 12.00319794