condition mean min max 0 h after light 1.34214 1.24843 1.43585 4 h after light 1.5110350000000001 1.2554 1.76667 8 h after light 1.4616850000000001 1.02037 1.903 4 h after dark 1.773115 1.64965 1.89658 8 h after dark 1.58108 1.52086 1.6413 12 h after dark 1.307432 0.973984 1.64088