condition mean min max 4 h after light 18.9605075 17.289167 20.631848 8 h after light 23.8535045 23.124583 24.582426 12 h after light 21.271656 17.858091 24.685221 4 h after dark 24.6804645 20.631848 28.729081 8 h after dark 22.284703999999998 18.556413 26.012995 12 h after dark 15.244616 15.244616 15.244616