condition mean min max 1 h after light 2.355536235 2.355536235 2.355536235 3 h after light 4.041204981 3.4268527539999996 4.655557208 5 h after light 5.2627329925 5.128072553 5.397393432 7 h after light 7.319368003999999 7.121305855 7.517430152999999 9 h after light 7.780625420500001 7.114715392000001 8.446535449 11 h after light 12.94861998 12.44120137 13.45603859 1 h after dark 8.390645733500001 6.472226107000001 10.30906536 3 h after dark 8.8813665365 8.380688616 9.382044457000001 5 h after dark 6.209109086 5.703159718999999 6.715058452999999 7 h after dark 7.7632552005 7.650807182 7.875703219 9 h after dark 9.177502348500001 7.611308837 10.74369586 11 h after dark 9.934761460499999 8.681283871 11.18823905