condition mean min max 4 h after light 15.8707 15.0339 16.7075 8 h after light 31.90715 29.8327 33.9816 12 h after light 274.255 264.719 283.791 4 h after dark 485.5485 449.486 521.611 8 h after dark 249.9495 248.325 251.574 12 h after dark 50.809200000000004 48.8716 52.7468