condition	mean	min	max
4 h after light	19.3056	17.5956	21.0156
8 h after light	16.359849999999998	15.1519	17.5678
12 h after light	13.73715	13.3233	14.151
4 h after dark	14.442533333333333	11.9421	18.8066
8 h after dark	16.9473	10.884	28.5309
12 h after dark	13.997753333333334	8.48196	16.7948