@NWSPueblo: The September 2015 Climate Review and October Preview across Southern Colorado

From the National Weather Service Pueblo office:

September of 2015 was very warm and mainly dry across much of Colorado. A moist Pacifc weather system brought some rain to southwest and central portions of the state through the first couple days of month, with another Pacific weather system moving across the state on September 22nd and 23rd, bringing beneficial rain to portiions of the southeast Plains. The following graphics depict monthly temperature and precipitation departures from normal across the state for the month of September.

departurefromnoralpreciptemp0901thru09292015nwspueblo

The preliminary average temperature over the past month of September in Pueblo was 71.9 F. This is 7.2 degrees above normal and makes September of 2015 the warmest September on record in Pueblo, smashing the previous record average temperature of 71.0 degrees recorded in September of 1931. Pueblo recorded only 0.03 inches of precipitation through out the month of September. This is 0.74 inches below normal and makes September of 2015 tied with September of 1895 as the 6th driest September on record in Pueblo, remaining just below the trace of precipitation recorded through out September of 1956, 1916 and 1892. Pueblo recorded no snow through out the month of September, which is 0.3 inches below normal.

The preliminary average temperature over the past month of September in Colorado Springs was 67.3 F. This is 6.4 degrees above normal and makes September of 2015 the warmest September on record in Colorado Springs, besting the average temperature of 67.0 degrees recorded in September of 2010. Colorado Springs recorded 0.30 inches of precipitation throughout the month of September. This is 0.89 inches below normal and makes September of 2015 the 19th driest September on record, though remains well above the trace of precipitation recorded in September of 1953 and 1919. Colorado Springs recorded no snow through out the month of September, which is 0.2 inches below normal.

The preliminary average temperature over the past month of September in Alamosa was 58.4 degrees. This is 3.4 degrees above normal and makes September of 2015 tied with September of 1939 as the 3rd warmest September on record in Alamosa, though remains just behind the average temperature of 59.0 degrees recorded in September of 1933. Alamosa recorded 0.78 inches of precipitation through out the month of September, which is 0.13 inches below normal. Alamosa recorded no snow through out the month of September, which is normal.

September 2015 climate data and records for other select locales across south centrral and southeast Colorado can be found here:

http://www.weather.gov/pub/adryandwarmseptembersofar

Looking ahead into October, in Pueblo, the average high and low temperatures of 75 degrees and 40 degrees on October 1st, cool to 64 degrees and 29 degrees by the end of the month, yielding an average monthly temperature of 51.8 degrees. Pueblo averages 0.72 inches of precipitation and 1.3 inches of snow through out the month of October.

In Colorado Springs, the average high and low temperatures of 68 degrees and 41 degrees on October 1st, cool to 58 degrees and 31 degrees by the end of the month, yielding an average monthly temperature of 49.4 degrees. Colorado Springs averages 0.82 inches of precipitation and 2.9 inches of snow through out the month of October.

In Alamosa, the average high and low temperatures of 68 degrees and 30 degrees on October 1st, cool to 55 degrees and 19 degrees by the end of the month, yielding an average monthly temperature of 43.1 degrees. Alamosa averages 0.68 inches of precipitation and 2.1 inches of snow through out the month of October.

Below is the Climate Prediction Center’s (CPC) temperature and precipitation outlook for the month of October, which gives a slight nod to above normal precipitation and equal chances of above, below and near normal temperatures for the month across south central and southeast Colorado.

onemonthetempprecip102015cpc

Leave a Reply