Coronary heart disease was lowered only 8% in the earlier studies instead of the 14% or 15% we would have anticipated from the epidemiologic data for that degree of blood pressure reduction. Now, the SHEP study used chlorthalidone as its diuretic, first at 12.5 mg, going up to 25 mg, and adding beta-blockers after that.
Weather in San Juan in October. The average maximum daytime temperature in San Juan in October is a hot 30Â°C (86Â°F) with high heat & humidity. There are usually 7 hours of bright sunshine each day, which represents 62% of the 12 hours of daylight. The average sea temperature in and around San Juan in October is 29Â°C (84Â°F).
As with most places some years are wetter and some drier, but overall the San Juan Islands receive about 1/2 the rain as Seattle and experience an average of 247 sunny days per year. Summer temperatures are generally in the low to mid 70s and winter temperatures in the high 30s or low 40s.