condition mean min max 1 h after light 2.473698884 2.473698884 2.473698884 3 h after light 1.5747070805 1.441929524 1.7074846369999999 5 h after light 3.7936545905 2.78522671 4.802082471 7 h after light 6.6527164535 6.032826034 7.272606872999999 9 h after light 6.7553833975 6.253418202000001 7.257348593 11 h after light 7.54082763 6.789367491 8.292287769 1 h after dark 9.164523242 7.507546274 10.82150021 3 h after dark 10.894392969 6.028458597999999 15.76032734 5 h after dark 7.085476826 6.488799068 7.682154584 7 h after dark 9.7524030915 8.309074683 11.1957315 9 h after dark 12.161794055 11.42000118 12.90358693 11 h after dark 17.43487288 15.72453078 19.14521498