condition mean min max 1 h after light 7.9469508275 7.698191745 8.19570991 3 h after light 9.696209455666667 7.922989693 12.83984265 5 h after light 6.851343238666667 6.17020964 7.375279416000001 7 h after light 8.363804822666665 5.633551862999999 10.60117822 9 h after light 9.452460353333334 8.164053189 10.23677205 11 h after light 8.649808841333334 6.184259588 10.50606041 13 h after light 8.768823871666667 6.367687025 11.17722625 15 h after light 8.719426248333333 6.622511222000001 10.04514661 1 h after dark 9.595510848 8.720690439 10.61179571 3 h after dark 9.015270695 7.737378854 10.97812709 5 h after dark 8.23334666 7.165534565 9.295936944 7 h after dark 7.998688725666667 6.14796976 9.263823141