condition	mean	min	max
4 h after light	15.955126	13.973778	17.936474
8 h after light	14.3367405	13.22983	15.443651
12 h after light	12.008652	11.136123	12.881181
4 h after dark	11.99956	11.72657	12.27255
8 h after dark	11.586711000000001	11.485288	11.688134
12 h after dark	15.068331	15.068331	15.068331