EARLIEST RICHMOND MONTHLY MEAN TEMPERATURES 1850-1854
From the Smithsonian Institution Archives   Collection number 60 Box 13  Folder 2   Volume  Meteorological Records, 1859-1860
TEMPERATURE Richmond, Virginia  Lat. 37 ° 32' North     Long. 77 ° 26' West            Altitude 172 feet    Observer     David  Turner   Page   3    
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year annual
1850 59.5 53.4 44.3 1850
1851[1] 43.9 49.2 51.3 57.9[2] 69.2[3] 74.8[4] 80.9[5] 76.5[6] 70.6[7] 60.1 47.3 36.7 1851 59.87
1851   THE ADDITIONAL  1851  DATA FOR RICHMOND, VIRGINIA  TEMPERATURES WAS FOUND IN THE NCDC RECORDS IN NC    
Max. Temp. 70 77 81 78 93 93 97 93 93 82 73 65 1851 97
DAY 26 24 31 25 13 30 10 8 11 3 2 31 1851 10th
MIN. Temp. 10 13 35 41 44 53 66 60 49 35 29 8 1851 8
DAY 31 1 20 14 5 18 5 29 25 34 8 19 1851 19th
1852 34.8 43.2 48.7 51.9 67.1 72.6 76.8 71.8 66.6 61.1 45.6 45.6 1852 57.15
1853 36.4 42.9 47.0 56.5 66.1 76.2 76.8 77.5 68.9 55.7 51.1 38.6 1853 57.81
1854 39.2 42.6 50.0 1854
   
From the Smithsonian Institution Archives   Collection number 60 Box 16 Folder 2   Volume  Meteorological Records, 1859-1860  Page   3
PRECIPITATION   Rain and Melted Snow                  
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year annual
1850 2.85 5.02 1850
1851 0.43 3.62 6.36[8] 5.46 2.83[9] 2.21 2.45 11.11[10] 0.76 1.71 1.99 1.64[11] 1851 40.57
1852 1.10 1.50 3.41 6.14 0.90 3.42 6.48 8.28 2.11 3.43 5.29 5.48 1852 47.54
1853 2.37 2.53 2.29 2.74 4.72 2.79 1.45 0.99 1853
   
From the Smithsonian Institution Archives   Collection number 60 Box 13 Folder 2   Volume  Meteorological Records, 1859-1860
TEMPERATURE Henrico Co.      Lat. 37 ° 32' North     Long. 77 ° 25' West            Altitude 83 feet    Observer     John  Appleyard   Page 9    
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year annual
1860 42.50 43.55 1860
   
From the Smithsonian Institution Archives   Collection number 60 Box 16 Folder 2   Volume  Meteorological Records, 1859-1860   
PRECIPITATION Henrico Co.      Lat. 37 ° 32' North     Long. 77 ° 25' West            Altitude 83 feet    Observer     John  Appleyard   Page 16    
1860 0.20 1860
   
From the Smithsonian Institution Archives   Collection number 60 Box 13  Folder 2   Volume  Meteorological Records, 1859-1860
TEMPERATURE Richmond, Virginia  Lat. 37 ° 32' North     Long. 77 ° 26' West            Altitude 172 feet    Observer     Gilbert C. Vincent   Page   15  
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year annual
1872 75.95 80.12 78.46 74.88 52.15 40.65 29.35 1872
1873 34.28 33.31 38.72 53.15 62.13 1873
From the Smithsonian Institution Archives   Collection number 60 Box 16 Folder 2   Volume  Meteorological Records, 1859-1860
PRECIPITATION Richmond, Virginia  Lat. 37 ° 32' North     Long. 77 ° 26' West            Altitude 172 feet    Observer     Gilbert C. Vincent   Page   16  
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year  
1872 2.00 2.90 7.70 4.00 6.20 2.10 6.70 1872
1873 7.30 12.70 3.10 2.20 7.90 1873

[1]
 LLK:
The data from the Smithsonian did not have the means for April through September. However data found at the National Climate Data Center for Richmond 1851 had the means for the missing months and all the other months were exactly the same as those for the Smithsonian.

[2]
LLK:
The mean  temperatures from April through September are from the NCDC.

[3]
LLK:
The mean  temperatures from April through September are from the NCDC.

[4]
 LLK:
The mean  temperatures from April through September are from the NCDC.

[5]
LLK:
The mean  temperatures from April through September are from the NCDC.

[6]
 LLK:
The mean  temperatures from April through September are from the NCDC.

[7]
LLK:
The mean  temperatures from April through September are from the NCDC.
[8]
LLK:
The  precipitation data from the Smithsonian for Richmond, VA agrees exectly with the  the data from the NCDC data for Richmond, VA for 1851 except for March with 6.36 inches, May with 2.83 inches, and December with 1.64 inches.
[9]
LLK:
The  precipitation data from the Smithsonian for Richmond, VA agrees exectly with the  the data from the NCDC data for Richmond, VA for 1851 except for March with 6.36 inches, May with 2.83 inches, and December with 1.64 inches.
[10]
LLK:
The  precipitation data foe August from the Smithsonian for Richmond, VA agrees exectly with the  the August rainfall from the NCDC data for Richmond, Virginia.

[11]
 LLK:
The  precipitation data from the Smithsonian for Richmond, VA agrees exectly with the  the data from the NCDC data for Richmond, VA for 1851 except for March with 6.36 inches, May with 2.83 inches, and December with 1.64 inches.