condition mean min max 1 h after light 6.5533487075 4.470331462 8.636365953 3 h after light 7.028677005 6.211175109 8.482435847 5 h after light 9.014807673666667 8.25709181 10.20281707 7 h after light 8.998352547666666 8.35898685 10.23898722 9 h after light 9.262978815666667 8.020597311 10.73040656 11 h after light 8.65824475 7.562559973 9.493292392 13 h after light 8.611297091333334 7.191917186 10.782399400000001 15 h after light 8.188624288 6.158488052999999 10.18056593 1 h after dark 9.562599291666666 8.715071627 10.17766247 3 h after dark 9.212075114333333 8.453225683 10.42004945 5 h after dark 8.327729954 7.458416366 9.859519414 7 h after dark 9.635312372333333 8.610840417999999 11.67588193