Weather for Lihue, HI. Overcast 69.6Â° Feels like 69.6Â° High: 79Â° Low: 72Â° Current conditions as of 04/21/17 5:40 AM HST. Humidity: 91% Visibility: 10.0 mi Dewpoint: 67Â° Barometer: 30.06 in Wind: SW Sunrise: 6:12 AM Sunset: 06:59 PM.
The American Concrete Institute recommends a maintained temperature of 70 degrees F for three days or 50 degrees F for five days to gain sufficient strength for a cold pour to perform up to specification.
The thermometer is placed to provide at least 3 inches of concrete around the. inserted stem and left in place a minimum of 2 minutes and until the temperature has stabilized. Start taking temperature measurements of the concrete (per ASTM C 1064) within 5 minutes after securing the remixed composite.nserted stem and left in place a minimum of 2 minutes and until the temperature has stabilized. Start taking temperature measurements of the concrete (per ASTM C 1064) within 5 minutes after securing the remixed composite.