condition	mean	min	max
4 h after light	4.90377	4.86302	4.93867
8 h after light	4.89342	4.88319	4.90965
12 h after light	4.909136666666667	4.76475	5.14107
4 h after dark	4.9038433333333336	4.6601300000000005	5.08657
8 h after dark	4.787123333333333	4.69035	4.844069999999999
12 h after dark	4.779893333333333	4.6402	4.8665199999999995