"We'll save so much money on ice"

Two years ago, we had not one day under 100 degrees for the NorCal AIDS Challenge. We went through something like 150lbs of ice. This year:

Thu
May 20

Mostly Sunny

73°
48°

73°F

Fri
May 21

Partly Cloudy

64°
46°

64°F

Sat
May 22

Mostly Sunny

68°
50°

68°F

Sun
May 23

Partly Cloudy

77°
52°

Ummmm . . . overnight low of 46 degrees?? And we're sleeping outside?! I already have chills.