condition	mean	min	max
4 h after light	18.271788	18.112676	18.4309
8 h after light	18.112676	18.112676	18.112676
12 h after light	18.878577	18.112676	19.644478
4 h after dark	18.727604499999998	17.445898	20.009311
8 h after dark	16.0837535	14.36695	17.800557
12 h after dark	18.112676	18.112676	18.112676