condition mean min max 0 h after light 29.29335 27.8243 30.7624 4 h after light 26.6104 25.0168 28.204 8 h after light 34.783100000000005 34.1936 35.3726 4 h after dark 36.95795 36.5304 37.3855 8 h after dark 35.571650000000005 34.9367 36.2066 12 h after dark 27.877000000000002 25.0514 30.7026