condition mean min max 3 h after light 1.4712833333333333 1.32421 1.66448 6 h after light 2.12431 1.64911 2.44787 9 h after light 1.60433 0.84518 2.47562 12 h after light 3.0309749999999998 1.33036 6.90975 3 h after dark 2.5938866666666667 2.42551 2.78526 6 h after dark 4.72586 3.98528 5.92289 9 h after dark 5.5542066666666665 4.15443 7.24004 12 h after dark 7.477040000000001 7.10376 7.85032