2017 Text Summaries And Records By Month
Narrative Summaries for Other Years


THE YEAR 2017
    JANUARY 2017 SUMMARY
    
    					January 2017 Glen Allen
    
    January was easily the cloudiest month ever recorded at this station with only two days that were totally clear.
    January had two days with the lowest minimum temperature ever recorded for January at this station 
    and yet the month had 16 days above freezing the most consecutive days on record; the previous record was 9 days in January 2013. 
    Only 11 days were below freezing during the month; the previous record low was 16 in 2013. 
    The average minimum temperature was 1.4F warmer than the previous highest average minimum temperature for January. 
    The 50.1F highest minimum was the second warmest on record for the month. 
    The highest maximum of 72.1 on the 12th was the second highest on record for January and came only 77 hours and 42 minutes 
    after the lowest temperature ever recorded in January.
     The average ground temperature was the highest ever recorded for January at 45.1F.
    Januarys monthly mean temp. was 41.9F, a +5.3F departure and the second warmest on record for the month yet 
    there were 3 days that the maximum temperature was 32F or less. 
     The minimum of 2.5F on the 8th & 9th were the coldest recorded for January and the second lowest minimum temperature recorded for this station.
     The maximum of 25.9F on the 9th was the lowest maximum for the month. 
    The 38.4F temperature range on the 31st was the second largest temperature range for January.  
    The highest barometric pressure was 30.85 inches on January 9th which was the second highest pressure ever recorded at this station
    and the highest since February 28, 2015 when the pressure was 30.87 inches.
    The average relative humidity for January was 71.4 percent, the highest on record for January, and a +6.9 percent departure for the month. 
    The precipitation for January was 4.63 inches, a departure of +1.40 inches 
    and the second greatest for January with 14 days with measurable precipitation which tied the record for the most days in January.
    The snowfall for January was 6.6 inches which was a +0.3 inch departure. 
    The single day total of 6.5 inches on the 7th was the 3rd greatest on record for January. 
    The maximum wind for the month was 33 mph on the 12th. 
    
    				The Richmond International Airport
    
             The Airport tied one and broke three daily records for January. 
     The 0F temperature on January 9th was the lowest temperature for the date;
     the previous record was 1F in 1940 and only 13 Januarys have had a lower temperature.
     The daily mean for the 9th was 12F and only ten Januarys have had a lower daily mean. 
    The 7.0 inches of snow recorded on the 7th was the most snow for the date;
    the previous record was 5.5 inches recorded in 1912.
    The 4F temperature range on January 21st was the lowest for the date; the previous record was 5F in 2010. 
    The 3F temperature range on January 22nd was tied with the lowest temperature for the date set also in 2010
    and only ten Januarys have had a lower temperature range.
    The mean temperature was 41.6 F with a departure of +3.7F making it the 26th warmest mean in 120 years.
    The average minimum temperature was 33.3 F which was the 17th warmest minimum temperature on record 
    and ranked higher than the monthly mean because of all the cloudy damp nights.
     From January 11th to January 27th a period of 17 days the temperature stayed above freezing. 
    This has never happened before in the past 120 years of January records for Richmond. 
    The next closest record is 14 days from January 1st to January 14th of 2005.
    The 4.23 inches of precipitation was a departure of +1.25 inches making it the 30th largest January rainfall amount since 1887. 
    The 7.0 inches of snow on the 7th tied for the 25th largest snow in January and January had 5 days with measurable snow on the ground. 
            
    


FEBRUARY
    FEBRUARY 2017 SUMMARY
    
    					Glen Allen February 2017
    February had record warmth in Glen Allen as all temperature parameters were records or above the average. 
    Februarys mean was 49.2 F, a +9.7F departure and the driest on record. 
    The highest temperature for February was 83.3F on the 12th and the lowest this month was 18.6F recorded on the 4th. 
    The warmest day was the 8th as the minimum was only 57F, a new record high minimum for the month, 
    and with a maximum of 75.6F the daily mean was 66.3F which was also a new record for February. 
    This was the warmest day Glen Allen has had in the past 8 years in February.
    The average maximum, minimum and mean were all new records at Glen Allen.
    There were only 12 days below freezing which was a new record; the previous record was 15 days in 2012.
    There were also 10 days with the maximum temperature reaching or surpassing 70F which double the old record of 5 set in 2011.
    On the 18th there was a 42F temperature range that tied the temperature range record set in 2009. 
    The 0.54 inches of rain for the month was the driest February with a negative 2.34-inch departure when compared to the 8-year average.
    The snowfall was only a trace from a snow flurry on the 16th, a negative 5.3-inch departure in snowfall. 
    The maximum wind gust was 36 mph from the SSW that occurred on Feb. 7th at 1425.  
    The wind run of 204.3 miles recorded on the 7th was a new record for February. 
    The highest barometer recorded for the month was 30.56 inches, on the 4th and the lowest was 29.42 inches on the 8th.  
    The winter was Glen Allens warmest and 2nd driest on record. 
    December  had the lowest mean temperature and February was the warmest and driest.
     The winter had the least snow since 2012-13 and this was the first February at Glen Allen without measurable snow.
    
     				Winter Season December, January, February 2016-17	 
    
     	TEMPERATURE F 	                                                PRECIPITATION Inches	 SNOWFALL inches
    				Ave.			Ave.			Ave.
    Month	Max.	Min.	Mean	8Yr.	Dep.	Actual	8 Yr. 	Dep.	Actual	8 Yr.  	Dep.
    Dec.	51.2	31.6	41.4	42.8	-1.4	3.11	4.54	-1.43	0	5.2	-5.2
    JAN	50.6	33.2	41.9	36.7	5.2	4.63	3.23	1.40	6.6	6.3	0.3
    FEB	61.8	36.7	49.2	39.6	9.6	0.54	2.88	-2.34	T	5.3	-5.3
    SUM	163.62	101.44	132.53	119.1	13.4	8.28	10.65	-2.37	6.6	16.7	-10.1
    AVE.	54.5	33.8	44.2	39.7	4.5	2.76	3.55	-0.79	2.2	5.6	-3.4
    
    					Richmond International Airport
    The Richmond Airport had 9 daily records for February. Record High Maximums: 
    4 - Feb 07th 74.0F new record; the old record was 70.0F in 2008, Feb 08th   75.0F tied the old record set in 1925, Feb 12th   82.0F new record;
    the old record was 74.0F in 1999, Feb 23th   75.0F tied the old record set in 1985 and 1925.
    Record High Daily Mean: 2 - Feb 08th 65.0F new record; the old record was 61.5F in 1965, Feb 12th  64.0F new record; the old record was 59F in 1932.
    Max. Record Range 2 -Feb 17th   39F new record; the old record 38.0F in 2011, Feb 18th   41F tied the old record set in 1994 and 1947. 
    Record High Mins: 1 - Feb 08th   55F new record the old record was 52F in 1965.
     The Airport had a mean temperature of 49.0F the third warmest February in the past 137 years. 
    The Airports highest maximum temperature was 82F only one degree from the 83F high February record set in Richmond in 1930 and 1932.
    The winter seasonal temperature departure was +11.9 F using the thirty-year average. 
    It was the warmest winter since 2011-2012 when the average was 44.6F in 2012 which is now Richmonds warmest year. 
    This February had 10 days of = 70F that tied the record of ten set in 1976.
    The total precipitation was 0.71 inches making it the fifth driest February in the last 146 years. 
    The record is 0.48 inches set in 1978. 
    The Airport had 7.80 inches of precipitation this winter with a -1.26-inch deficit for the winter season making this the driest winter since 2011-12 when 6.98 inches was recorded.
    February had a negative 2.3-inch snowfall departure for the winter and only eight other years of the past 120 years have had no snow in February. 
    On the 18th the Airport had a 41F temperature range, the highest in February since 2004. 
    The average temperature range for the month was 25.1F which was the 7th highest since 1897.
    
     				Winter Season December, January, February 2016-17	 
    
     	TEMPERATURE F 		 	                PRECIPITATION Inches	SNOWFALL inches
    				Ave.			Ave.			Ave.
    Month	Max.	Min.	Mean	30 Yr. 	Dep.	Actual	30 Yr. 	Dep.	Actual	30 Yr. 	Dep.
    Dec.	50.55	31.71	41.13	41.0	0.1	2.80	3.26	-0.46	0.0	2.1	-2.1
    JAN	49.90	33.29	41.60	37.9	3.7	4.29	3.04	1.25	7.1	3.9	3.2
    FEB	61.57	36.46	49.02	40.9	8.1	0.71	2.76	-2.05	0.0	3.4	-3.4
    SUM	162.02	101.46	131.744	119.8	11.9	7.80	9.06	-1.26	7.1	9.4	-2.3
    AVE.	54.0	33.8	43.9	39.9	4.0	2.60	3.02	-0.42	2.4	3.1	-0.8
    
    
    


MARCH
    MARCH 2017 SUMMARY
    
    			Glen Allen Summary March 2017
    
            March was average in temperature and the third driest on record at Glen Allen.
     The monthly mean temperature was 48.8F, a +0F departure based on an 8-year average.
      Glen Allen had 14 days that the minimum temperature was =32F.
     The 80.3F on the first day of the month was the maximum temperature for March. 
    The minimum temperature for March was 20.2F on the 15th. 
    In March of 2012, Glen Allen had 6 days that the maximum temperature was =80F; this month had only one.  
    March had 7 days that the high temperature was =70F and the average is 6.6 days but March 2012 had 19 days.
     The maximum temperature range for March was 34.7F on the 24th 
    which was the second lowest maximum range on record for the month at this station. 
    The average ground temperature at one foot for the month was 49.9F 
    which was a +1.7 departure and in part was caused by the very warm February. 
    Glen Allen had a higher average ground temperature for March only in 2012 & 2016.
          The 2.78 inches of precipitation for March was a -1.00-inch departure on the 8-year average.  
    The most precipitation in a 24-hour period was 1.13 inches on the 13th and 14th. 
    The 1.03 inches of rain on the 31st represented 37% of the months precipitation. 
    Of the 11days with measurable precipitation, 6 were =0.10 inches. 
    The total snowfall was a trace for the month, a departure of -3.6 inches for March.
           The maximum wind gust during March was 46 mph which occurred on the 1st at 1146 hours from the south, the highest on record for March. 
           The cloudiness was just a little less than average for the month. 
           The highest barometer was 30.74 inches on the 5th which is the second highest March barometric pressure for Glen Allen. 
    The lowest was only 29.55 inches on the 14th of March 
    
    			Richmond International Airport 
    
            The mean temperature for March was 49.0F which was +0.4F above the thirty year mean temperature. 
    This was the 49th warmest March on record. This March had 8 days that the high temperature was greater than or equal to 70F.  
    This March had 13 days that the minimum temperature was =32F and only 27 years of the 120 years had more. 
    The lowest overnight minimum for this month was 22F on the 16th. 
            The lowest daily temperature range for March was 13F on the 30th 
    which tied for the highest minimum daily temperature range for the month of March in the past 120 years.
            The total precipitation for March was 3.68 inches, 
    and since 1897 there have been 59 times that more precipitation occurred in the month of March. 
    The average March precipitation is 3.91 inches which was a deficit of 0.23 inches.    
          The total snow for March was a trace which occurred on 4 days and was a departure of -0.6 inches on the 30-year average.
     The last year with only a trace of snow in March was 2011 and the last March with no snow was 2007. 
    Only 24 years have had no snow in the month of March in Richmond.
    
         The Richmond International Airport had three daily records this March.
    Mar 01st 81F new record maximum for the 1st; the previous record was 80F in 1976 and 1918.
    Mar 01st 68.5F new record mean the for the 1st; the previous record was 66F in 1976
    Mar   31st 1.45 inches of precipitation on the 31st; the previous record was 1.15 inches in 1935.
    
    
    


APRIL
    APRIL 2017 SUMMARY
    
        
    April 2017
    			West Henrico Co. - Glen Allen, VA 
    April was the warmest on record with a mean temperature of 64.6F 
    and was 5.9F departure from the average April mean. 
    Both the average maximum of 75.3F and average minimum temperature of 54.0F were new record highs for April.
    The minimum temperature of 73F on the 29th was a new record high for April. 
    April had never seen a +70F night before this April.
    April was the second wettest at Glen Allen with a total of 3.40 inches, 
    but a departure of only  0.14 inches based on the average of the past 8-years. 
    Measurable precipitation occurred on 12 days in April but the month was a dichotomy. 
    The first 15 days were dry with only two days with rain and the second half was wet with ten days of rain. 
    The cloud cover was a little above average but the relative humidity was 5.8% above the average
     and was the most humid April on record. 
    The temperature range for April was 21.4F the lowest on record in part because of the humid April.
     April 24th had a 6F temperature range which tied the low record for the month. 
    On the 29th Glen Allen had a dew point of 77F the highest ever recorded in April.
    The daily mean temperature for the 29th was 81F which was a new record for Glen Allen 
    and the first time the station had a heat index over 100F in April.
    This April had thirteen 80 degree days; the previous record was only nine. 
    April 28th had only a 6.4F temperature range which tied for the lowest range on record for April.
    The lowest minimum temperature was 31.6F recorded on the 8th and only 3 days were less than =40F  for April; 
    the previous record was 5 days. 
    The maximum wind gust was 33 mph from the SSW that occurred on the 6th at 1755. 
    
    
    
    			Richmond International Airport
    April was the warmest month in the past 120 years with a mean temperature of 64.2F 
    and was 6F above the average April mean; the previous record was 63.2 recorded in 1994. 
    The average maximum of 75.3F was the 7th warmest on record 
    and minimum temperature of 53.2F set a new record high minimum average for April. 
    The minimum temperature of 73F on the 29th was a new record high minimum for April.
    April had never seen a +70F night before this April; the previous record was 69F in 1922.
    The 29th had a daily mean of 80.5F; the only warmer April day in the past 120 years was April 27,1915.
    The Airport had 3 daily records for the highest minimum temperature.
    28th the record high minimum was 66F; the previous record was 65 in1935,
    29th the record high minimum was 73F; the previous record was 67 in1956,
    30th the record high minimum was 70F; the previous record was 63 in 2014, 1991, 1915.  
    The daily temperature range was 22.1F and only 35 Aprils have had a lower range.
    The April precipitation total was only 2.28 inches, a departure of -0.99 inches, 
    and was 1.12 inches less than Glen Allens April precipitation total. 
    This was the 38th driest April since 1887. 
    The greatest daily precipitation was 0.39 inches on the 22nd ; 
    only four Aprils have recorded less 1950, 1963, 1985, 1991.
    The Airport reported no snow in April. 
    The last measurable snow for Richmond in April was one inch on April 7, 2007.
     
    


MAY
    MAY 2017 SUMMARY
    Glen Allen, Virginia Mays mean temperature was 66.1F a -2.2F departure and only two cooler Mays on record for Glen Allen. The maximum temperature for May was 94F on the 17th which tied for the highest temperature recorded at this station in May and was really felt as the first part of May was so cool. Also on the 19th we recorded the highest dew point temperature on record in May for Glen Allen although 2011 was almost as high. The months minimum was 38F on the 9th in the cool part of May with some of the cooler areas reporting a light frost. May was near average on cloudiness even though we had 15 days with measurable rainfall. Last year May had more days with rain with 8.55 inches of rain. May 2017 had 5.83 inches, a departure of +1.28 inches; only last year was wetter. The thunderstorm of May 27th produced hail that was as large as 1.5 inches but the large hail last but one minute reducing damage to gardens. See the following link for the report on hail. http://www.glenallenweather.com/historylinks/2017/may/2017-05-27 Hail.pdf The average temperature range for May was 20.3F which made it the 3th lowest on record. The average relative humidity was 74.6 percent which was the 2nd highest for May; only 2016 was higher.
    
    	2017   Spring in West Henrico Co. - Springfield Park, Glen Allen, VA
    		TEMPERATURE		PRECIPITATION		SNOW
    Months	 	 	 	8 Yr.	 	 	8 Yr.	 	 	8 Yr.	 
    Spring	Max.	Min.	Mean	Ave.	Depart.	Total	Ave.	Depart.	Total	Ave.	Depart.
    Mar.	59.7	37.9	48.8	48.8	0.0	2.78	3.78	-1.00	T	3.6	-3.6
    Apr.	75.3	54.0	64.6	58.7	5.9	3.40	3.26	0.14	0.0	0.0	0.0
    May	76.2	55.9	66.1	68.3	-2.2	5.83	4.56	1.28	0.0	0.0	0.0
    SUM	211.3	147.9	179.6	175.8	3.8	12.01	11.60	0.41	0.0	3.6	-3.6
    AVE.	70.4	49.3	59.9	58.6	1.3	4.00	3.87	0.14	0.0	1.2	-1.2
    
    
    			Richmond International Airport
    The Airports mean temperature of 65.9F was a -0.5 departure, and the 58th coolest May since 1897. 
    The average temperature range for May was only 20.2F and only 12 years in 120 years were lower. 
    The Airports precipitation for May was 7.57 inches with a +3.79 inch departure. 
    The wettest May was last year with 9.79 inches. The Airport had 15 days with measurable 
    precipitation in May and only 11 Mays have had more days with rain. 
    The Airport had three days with = 1 inch of rain; the record is five set in 1972. 
    
    The Richmond International Airport had 4 daily records that either tied or were broken.
    
    Record Low Maximums  
    May 12th    54F tied the old record set in 2008.
    Record High Minimums  
    May 01st    69F tied the old record set in 1947.
    High Daily Temperature Range
    May 14th    37F tied the old record set in 1941 and 1940.
    Low Daily Temperature Range
    May 12th    4F new record - the old record was 5F in 1960. 
    Since 1897 only 2003 and 1917 have had a lower temperature range.
    
    
    			2017  Spring   Richmond   International   Airport
     			TEMPERATURE		PRECIPITATION		SNOWFALL INCHES
    Month	Max.	Min.	Mean	30 year	Dep.	Actual	30 year	Dep.	Actual	30 year	Dep.
    Mar.	60.1	37.9	49.0	48.6	0.4	3.68	4.04	-0.36	Trace	0.6	-0.6
    Apr.	75.3	53.2	64.2	58.2	6.0	2.28	3.27	-0.99	0.0	0.1	-0.1
    May	76.0	55.8	65.9	66.4	-0.5	7.57	3.78	3.79	0.0	0	0.0
    SUM	211.3	146.9	179.1	173.2	5.9	13.53	11.09	2.44	Trace	0.7	-0.7
    AVE.	70.4	49.0	59.7	57.7	2.0	4.51	3.70	0.81	0.0	0.2	-0.2
    
    
    This was a strange spring as March had no measurable snow and April was the warmest in 137 years arousing spring plants.
     May was the sixth wettest May since 1887 and May was the ninth wettest since 1872.
     Though wet, the cool nights and cloudy days of the first half of May, inhibited the growth of warm season vegetables, 
    not a good season for gardeners. Many of the bean seeds rotted and had to be reseeded in the second half of May. 
    The second half of May was above average balancing the mean for May close to average.
    
    
    


JUNE
    JUNE 2017 SUMMARY
    
     
    


JULY
    JULY 2017 SUMMARY
    
     
    


AUGUST
    AUGUST 2017 SUMMARY
    
     
    


SEPTEMBER
    SEPTEMBER 2017 SUMMARY
    
      
    


OCTOBER
    OCTOBER 2017 SUMMARY
    
     
    


NOVEMBER
    NOVEMBER 2017 SUMMARY
    
    
    


DECEMBER
    DECEMBER 2017 SUMMARY