condition mean min max 0 h after light 4.7202850000000005 4.36832 5.07225 2 h after light 4.060665 3.5482 4.57313 4 h after light 4.1494100000000005 3.97758 4.32124 8 h after light 4.3627 3.86827 4.85713 12 h after light 6.99283 6.19157 7.79409 2 h after dark 7.206915 6.98939 7.42444 4 h after dark 6.27564 5.6626 6.88868 8 h after dark 7.8879150000000005 7.74479 8.03104 12 h after dark 5.587145 5.20611 5.96818