condition mean min max 4 h after light 180.54243400000001 178.064085 183.020783 8 h after light 181.1433125 163.26524 199.021385 12 h after light 197.3131095 175.429738 219.196481 4 h after dark 220.2350365 187.385903 253.08417 8 h after dark 242.8080515 233.107159 252.508944 12 h after dark 188.30898 188.30898 188.30898