condition mean min max 1 h after light 8.740408788 8.66511559 8.815701986 3 h after light 10.900792703333334 10.64489554 11.33210114 5 h after light 8.162627572666667 6.699666000000001 10.45117777 7 h after light 9.380271455 8.045180729 10.15426631 9 h after light 10.105596436 8.275259278 11.89197105 11 h after light 11.937476606666666 10.51026134 13.04417017 1 h after dark 9.478831199 7.438528742000001 13.21591811 3 h after dark 7.720729677333333 6.365902706 9.408488338 5 h after dark 7.723414568666667 5.428507837000001 8.967107874 7 h after dark 6.189071064999999 5.725965409 6.504527382999999 9 h after dark 4.360713747666667 3.3771391260000003 5.365613225 11 h after dark 4.274812788 1.8166005769999998 7.998567026