condition	mean	min	max
4 h after light	56.9829	53.278	60.6878
8 h after light	14.844000000000001	14.7691	14.9189
12 h after light	8.62784	8.53592	8.71976
4 h after dark	23.341533333333334	22.8536	24.0182
8 h after dark	38.18053333333334	36.4325	40.4686
12 h after dark	57.4746	56.1042	59.7366