condition mean min max 4 h after light 12.6156315 11.561593 13.66967 8 h after light 12.3848585 12.01911 12.750607 12 h after light 10.744999 9.470888 12.01911 4 h after dark 11.3052025 11.185463 11.424942 8 h after dark 11.1460925 9.789992 12.502193 12 h after dark 13.291517 13.291517 13.291517