condition	mean	min	max
4 h after light	12.757	11.7432	13.7708
8 h after light	12.41375	10.2831	14.5444
12 h after light	19.52115	19.4253	19.617
4 h after dark	22.7277	19.6973	25.7581
8 h after dark	32.08385	31.0335	33.1342
12 h after dark	21.71405	19.9433	23.4848