condition	mean	min	max
4 h after light	5.351813333333333	5.27337	5.4606699999999995
8 h after light	5.41402	5.15113	5.56113
12 h after light	5.49854	5.47438	5.538530000000001
4 h after dark	5.400066666666667	5.3251599999999994	5.52261
8 h after dark	5.355223333333334	5.17208	5.6974
12 h after dark	5.43017	5.35051	5.5210300000000005