condition	mean	min	max
4 h after light	5.121300000000001	5.051130000000001	5.16714
8 h after light	5.043363333333334	5.027080000000001	5.07406
12 h after light	4.9308499999999995	4.9209	4.94423
4 h after dark	5.038973333333333	4.91873	5.14823
8 h after dark	5.070076666666666	5.03292	5.12656
12 h after dark	4.928323333333333	4.9097800000000005	4.96376