condition mean min max 4 h after light 18.469666666666665 12.1136 24.5279 8 h after light 18.78887 5.26211 29.8878 12 h after light 22.762999999999998 13.1025 34.9762 4 h after dark 24.448666666666668 18.6655 30.4095 8 h after dark 22.7421 19.5822 24.9751 12 h after dark 19.7365 16.9154 23.5426