condition mean min max 1 h after light 6.133479059 5.161546594 7.105411524 3 h after light 7.475366045666666 5.806563998 9.058965801 5 h after light 8.412747177 7.572833407999999 9.239523163 7 h after light 8.303502350333332 6.889377634 9.175669057999999 9 h after light 8.942477296666667 7.494450949 9.693585753999999 11 h after light 9.749953084000001 7.8367815720000005 11.06126268 1 h after dark 9.881706260333333 8.728828481 10.7141038 3 h after dark 9.695671556 8.635568316 11.44264997 5 h after dark 9.723239222 9.048909197999999 10.31350931 7 h after dark 10.825040206666666 10.02508554 12.22324003 9 h after dark 9.909939991333333 8.437199234 10.95663714 11 h after dark 8.392978093333333 8.025913556 8.597584988