Mucalindasutta

ud2.1:2.1 Just then a large storm blew up out of season, bringing seven days of precipitation, with cold winds and overcast skies.

ud2.1:2.2 Mucalinda, the dragon king, came out from his abode, encircled the Buddha’s body with seven coils and spread his large hood over his head, thinking,

ud2.1:2.3 “May the Buddha not be hot or cold, nor be bothered by flies, mosquitoes, wind, sun, or reptiles.”