Time Sequence in This Film ?

Just noticed this last night ---

1.) Nugent and Susan attend the basketball game, and later say goodnight on her porch. Susan comments that basketball season will soon be over. That would probably mean they would be in the season of late Fall.

2.) A few minutes later, in discussion with Margaret, Nugent comments that he'd be back "in a few days" to take Susan "to the picnic."

3.) On the day of the picnic, Uncle Thaddeus and the Assistant DA have white-colored jackets on --- Susan has a blouse with puffy peasant shoulders --- and some of the men at the picnic (including the man with the bullhorn) are wearing 2-toned "stadium" shoes --- all distinctly clothes most often worn in the summertime !!

I know that California typically has warmer weather than the rest of the nation --- but a picnic in the Fall would have been labeled some sort of Harvest Festival. I can't think of any other reason to hold a picnic in the late Fall, other than possibly a Founder's Day of some sorts.

Was basketball played in the late spring back in the 1940s ? Or do people in California typically wear summer-styled clothes late in the Fall ? Or did the filmmakers merely compress several scenes / sequences into a briefer time span, thus "speeding up" the seasons ??

Many thanks in advance !

J'ai l'œil AMÉRICAIN !