condition	mean	min	max
4 h after light	33.48735	29.0324	37.9423
8 h after light	65.02645	57.0187	73.0342
12 h after light	37.2449	31.0704	43.4194
4 h after dark	68.7375	61.6632	79.2807
8 h after dark	44.76763333333333	38.556	51.1117
12 h after dark	61.2168	60.1649	62.3223