Other mistake: When Ms Nicholson's boyfriend arrives in a bus, a digital clock is showing a temperature of 104°. Yet this man, as soon as he gets off the bus, puts on a woolen jacket over the shirt and tie he's wearing.
Other mistake: Barbara and Violet are talking in the car after returning from the funeral and all of the windows are closed, even though great effort was made to convey the fact that temperatures were in excess of 100°. They spend three to four minutes talking in the car and neither even breaks a sweat, when in reality, they could not have sat in a closed car in that kind of midday heat for more than 30 seconds or so without becoming incredibly uncomfortable.
