condition	mean	min	max
3 h after light	20.8737	16.9496	24.6198
6 h after light	20.62216666666667	18.5867	23.0651
9 h after light	18.3044	16.0267	20.8483
12 h after light	21.464675	19.3448	24.1763
3 h after dark	29.113566666666667	27.8392	29.9854
6 h after dark	28.372799999999998	27.3117	29.3878
9 h after dark	24.4233	22.7758	27.259
12 h after dark	21.368299999999998	20.7733	21.9633