condition mean min max 1 h after light 6.8147356420000005 6.441879522000001 7.187591762 3 h after light 5.425438084333333 4.317407467 6.120402184 5 h after light 6.805077631333333 6.449505443 7.047719777 7 h after light 7.549449034666667 6.099822174 9.025436765 9 h after light 7.806063218 7.277552962000001 8.593497118 11 h after light 9.453506642666667 6.3890592879999994 13.04662887 13 h after light 7.2994229336666665 6.317441057999999 8.201295326 15 h after light 7.560872495666666 6.4416369289999995 8.536499383999999 1 h after dark 8.603672086 8.157712395 9.357484541 3 h after dark 9.646875291666667 8.233089597000001 12.07743397 5 h after dark 9.453200272666667 8.155464625 11.21945313 7 h after dark 8.803824394666666 8.168106241 9.685031648999999