condition mean min max 4 h after light 178.47 176.259 180.681 8 h after light 135.68200000000002 131.341 140.023 12 h after light 149.385 148.57 150.2 4 h after dark 161.378 153.41 169.346 8 h after dark 190.64350000000002 187.702 193.585 12 h after dark 202.1085 200.915 203.302