condition	mean	min	max
4 h after light	21.551949999999998	19.3997	23.7042
8 h after light	19.0462	18.4068	19.6856
12 h after light	30.07035	30.0347	30.106
4 h after dark	33.16523333333333	30.9198	34.3442
8 h after dark	29.0901	28.1193	30.713
12 h after dark	27.693266666666666	26.1631	28.8458