condition mean min max 4 h after light 236.7567535 195.053664 278.459843 8 h after light 300.6848645 290.291518 311.078211 12 h after light 342.4903275 331.388898 353.591757 4 h after dark 275.583984 232.959427 318.208541 8 h after dark 264.993231 248.714489 281.271973 12 h after dark 195.674571 195.674571 195.674571