condition	mean	min	max
4 h after light	5.936026666666667	5.82619	6.01195
8 h after light	5.8341899999999995	5.693919999999999	5.926769999999999
12 h after light	5.7941633333333336	5.5227699999999995	6.29249
4 h after dark	5.65383	5.437930000000001	5.77502
8 h after dark	5.597966666666666	5.3396	5.78509
12 h after dark	5.73395	5.65105	5.848269999999999