condition mean min max 4 h after light 309.4693755 275.693595 343.245156 8 h after light 314.336903 261.501288 367.172518 12 h after light 367.837501 329.378247 406.296755 4 h after dark 316.8268935 212.001288 421.652499 8 h after dark 240.2756825 180.255971 300.295394 12 h after dark 597.226242 597.226242 597.226242