condition mean min max 4 h after light 251.695154 158.614194 344.776114 8 h after light 261.0839585 216.893074 305.274843 12 h after light 213.6810625 185.545019 241.817106 4 h after dark 127.4902005 65.748344 189.232057 8 h after dark 101.251869 97.811077 104.692661 12 h after dark 81.062193 81.062193 81.062193