condition mean min max 4 h after light 275.2 275.2 275.2 8 h after light 259.0 246.3 271.7 12 h after light 248.35 243.7 253.0 4 h after dark 285.20000000000005 259.6 310.8 8 h after dark 248.75 215.9 281.6 12 h after dark 216.9 215.4 218.4