condition	mean	min	max
4 h after light	39.3904	38.5173	40.2635
8 h after light	28.1918	27.0886	29.295
12 h after light	25.8647	24.9406	26.7888
4 h after dark	28.841766666666665	28.1878	29.881
8 h after dark	32.0725	31.0164	33.3202
12 h after dark	39.200833333333335	36.9313	40.5924