condition mean min max 2 h after light 312.9625 200.46 441.501 6 h after light 250.3485 129.013 457.541 10 h after light 90.86001666666667 63.0762 120.697 14 h after light 91.77701666666667 43.9435 176.952 18 h after light 174.72545 86.7167 273.14 2 h after dark 172.63533333333334 109.865 255.56