condition mean min max 1 h after light 6.320827116 5.91661517 6.7250390620000005 3 h after light 6.562089885 5.465834096 7.820513902 5 h after light 8.058948676666667 6.0491913120000005 9.953967876 7 h after light 8.066391262666667 7.406926925 9.194885535 9 h after light 6.989621924333333 6.640103067 7.453965011 11 h after light 6.734961788333334 6.339040017 7.214856067 13 h after light 9.014384678333334 7.742427762999999 10.13122247 15 h after light 9.320749447999999 7.312727894 10.40572119 1 h after dark 8.614453994333333 7.3462978329999995 9.475106943 3 h after dark 8.33212575 7.287641949 9.035373533 5 h after dark 7.203535024333333 5.924910197999999 7.979403839 7 h after dark 5.157217923666667 4.448626978 6.563140562999999