condition mean min max 0 h after light 88.00115 82.6182 93.3841 4 h after light 81.3365 72.7448 89.9282 8 h after light 171.0685 170.254 171.883 4 h after dark 176.2395 142.087 210.392 8 h after dark 128.57299999999998 128.333 128.813 12 h after dark 79.3912 77.8998 80.8826