Cambridge, Mass., July 22, 2012

★★★★ Piercing blue sky, with even more piercing sunshine. Five planes in side-by-side formation, tiny silvery nibs, wrote puffs of white on the flawless background: MOHEGAN SUN # GO SOX # MOHEGAN SUN… The previous day had been blissfully comfortable, and it was still blissful under the trees (“…EGAN SU…”), but out in the open the heat was a little stunning. People flattened their bodies onto the park grass in bikinis, floated splashlessly in an aboveground yard pool. Sun-worshippers, but worship tinged with dread.

Weather ratings range from zero to five stars.