GROTON
CLIMATOLOGICAL SUMMARY
(1981 - 2010)
Station: 068138, GROTON Elevation: 40 ft. above sea level Latitude: 4121'02" Longitude: -7202'22"
Date Temperature ( F) Precipitation (inches)
Elem-> MMXT MMNT MNTM HTDD CLDD EMXT EMNT DT90 DX32 DT32 DT00 TPCP EMXP TSNW MXSD DP01 DP05 DP10
Month Mean Max Mean Min Mean Heating Degree Days Cooling Degree Days Highest Lowest Number of Days Total Greatest Observed Snow, Sleet Number of Days
Max >=90 Max <=32 Min <=32 Min <=0 Day Total Fall Max Depth >=.10 >=.50 >=1.0
1 37.6 21.0 29.3 1099 0 64.0 0.0 0 9 27 1 3.68 2.41 7.3 19.0 7 3 1
2 40.3 23.7 32.0 925 0 65.0 -9.0 0 5 24 0 3.49 2.86 6.6 14.0 7 2 1
3 47.2 29.9 38.6 813 0 78.0 6.0 0 1 19 0 4.82 3.15 3.3 7.0 8 3 1
4 56.6 39.3 48.0 505 1 88.0 14.0 0 0 4 0 4.51 3.29 0.8 6.0 7 3 1
5 66.3 48.1 57.2 247 13 91.0 33.0 0 0 0 0 3.42 2.43 0.0 0.0 8 2 1
6 80.4 63.8 72.1 3 230 101.0 47.0 2 0 0 0 3.74 4.38 0.0 0.0 6 3 1
7 75.1 57.7 66.4 46 95 95.0 40.0 1 0 0 0 3.98 6.30 0.0 0.0 6 2 1
8 79.3 63.1 71.2 7 206 96.0 44.0 1 0 0 0 4.42 4.70 0.0 0.0 6 3 1
9 72.9 55.9 64.4 82 72 93.0 32.0 0 0 0 0 4.25 3.83 0.0 0.0 6 3 1
10 62.4 44.3 53.4 359 5 82.0 25.0 0 0 2 0 3.72 2.58 0.0 0.0 6 3 1
11 53.1 36.3 44.7 602 0 75.0 8.0 0 0 11 0 4.44 3.39 0.7 6.0 7 3 1
12 42.9 26.9 34.9 925 0 64.0 -13.0 0 4 23 0 4.21 2.41 4.6 19.0 8 3 1
Annual 59.5 42.5 51.0 5612 623 101.0 -13.0 3 19 110 2 48.69 6.30 23.4 19.0 81 33 13
Data provided from the NCDC CDO System
Additional documentation can be found at http://cdo.ncdc.noaa.gov/cdo/3220doc.txt