condition mean min max 3 h after light 1.4972430833333332 0.134052 6.54721 7 h after light 1.0144758333333332 0.167991 4.4337 11 h after light 1.1119385 0.268823 5.05981 2 h after dark 1.6432141666666666 0.401139 4.44242 6 h after dark 1.6685606666666666 0.584134 4.47658 10 h after dark 1.40307625 0.271315 4.61513