condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0181862 0.0 0.0545586 12 h after light 0.020442276666666665 0.0 0.0537879 4 h after dark 0.0088126 0.0 0.0264378 8 h after dark 0.0286148 0.0 0.0660229 12 h after dark 0.0 0.0 0.0