condition mean min max 4 h after light 3.275498 2.917896 3.8581410000000003 8 h after light 2.5679376666666665 2.0275119999999998 3.19507 12 h after light 2.5954913333333334 1.413106 4.572481 16 h after light 4.714882333333334 2.784945 7.271433 4 h after dark 4.6484076666666665 2.572746 5.913868 8 h after dark 2.977155 1.7993240000000001 4.3027940000000005