condition	mean	min	max
4 h after light	17.684401	17.676527	17.692275
8 h after light	21.2448425	20.056988	22.432697
12 h after light	35.850329	27.977201	43.723457
4 h after dark	30.7097305	29.774789	31.644672
8 h after dark	38.160112	21.768214	54.55201
12 h after dark	21.555366	21.555366	21.555366