condition mean min max 0 h after light 0.1359715 0.0 0.271943 4 h after light 4.0016935 0.535287 7.4681 8 h after light 0.6791784999999999 0.552657 0.8057 4 h after dark 0.53532 0.0 1.07064 8 h after dark 1.0750445 0.802059 1.34803 12 h after dark 0.0 0.0 0.0