condition	mean	min	max
4 h after light	19.22815	16.8271	21.6292
8 h after light	10.67429	8.21798	13.1306
12 h after light	11.8695	10.9421	12.7969
4 h after dark	21.743033333333333	20.6249	23.5392
8 h after dark	28.5586	24.06	31.7005
12 h after dark	32.984966666666665	31.9672	34.4185