condition mean min max 4 h after light 195.46064 178.693047 212.228233 8 h after light 227.93667 220.639117 235.234223 12 h after light 207.0712005 206.044589 208.097812 4 h after dark 223.4189405 191.573219 255.264662 8 h after dark 216.026938 167.69927 264.354606 12 h after dark 172.693595 172.693595 172.693595