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).
The San Juan Islands average 247 sunny days annually. They are in the Banana Belt, having the best weather in the Pacific Northwest and one of the most moderate climates in the world. Summer time temperatures are in the low 70's and winter time lows are in the high 30's and low 40's.