condition	mean	min	max
4 h after light	8.521815	7.76538	9.27825
8 h after light	11.33975	11.0797	11.5998
12 h after light	14.625499999999999	14.4019	14.8491
4 h after dark	17.74575	17.7238	17.7677
8 h after dark	14.057549999999999	13.6908	14.4243
12 h after dark	11.4283	11.2917	11.5649