AccuWeather.com
Local Weather Forecast
Mclean, VA Past Month's Weather
Monday, November 23, 2009
Past Month Details
Actual Conditions for November 2009
(Reports from DCA)
Date Actuals (° F) Normals (° F) Records (° F) Precip Amounts Degree Days
High Low Avg High Low Avg Dpt High/Year Low/Year Precip Snow Ground Heating Cooling
1 58 51 54 62 44 53 1 86 / 1974 27 / 1893 0.55 - - 11 0
2 62 48 55 62 44 53 2 85 / 1971 28 / 1923 0 - - 10 0
3 67 43 55 62 43 53 2 80 / 1974 29 / 1917 0 - - 10 0
4 54 39 46 61 43 52 -6 84 / 1974 26 / 1879 0 - - 19 0
5 60 42 51 61 43 52 -1 81 / 2003* 20 / 1879 0.01 - - 14 0
6 52 39 46 61 43 52 -6 78 / 1948 26 / 1967 0 - - 19 0
7 60 35 48 60 42 51 -3 77 / 1975 27 / 1930 0 - - 17 0
8 74 45 60 60 42 51 9 81 / 1975 27 / 1930 0 - - 5 0
9 71 47 59 60 42 51 8 79 / 1994 26 / 1976 0 - - 6 0
10 66 52 59 59 42 50 9 76 / 1999* 27 / 1914 0 - - 6 0
11 60 46 53 59 41 50 3 78 / 1949 26 / 1973 0.94 - - 12 0
12 51 44 48 59 41 50 -2 77 / 1912 24 / 1926 0.6 - - 17 0
13 56 49 52 58 41 50 2 80 / 1879 22 / 1911 0.33 - - 13 0
14 61 53 57 58 40 49 8 77 / 1985 19 / 1920 0.02 - - 8 0
15 72 49 60 58 40 49 11 83 / 1993 20 / 1905 0 - - 5 0
16 70 50 60 57 40 49 11 76 / 2001* 19 / 1933 0 - - 5 0
17 59 46 52 57 40 48 4 77 / 1896 17 / 1933 0 - - 13 0
18 58 46 52 56 39 48 4 80 / 1921 21 / 1959 0 - - 13 0
19 62 52 57 56 39 48 9 77 / 1928 18 / 1891 0.57 - - 8 0
20 60 46 53 56 39 47 6 79 / 1942 20 / 1901 0.01 - - 12 0
21 60 43 52 55 38 47 5 79 / 1900 18 / 1872 0 - - 13 0
22 58 42 50 55 38 47 3 77 / 2007 12 / 1880 0 - - 15 0
23 51 45 48 55 38 46 2 75 / 1979 12 / 1880 0.22 - M 17 0
24 M M M 54 38 46 M 74 / 1958 13 / 1880 M M M M M
25 M M M 54 37 46 M 79 / 1973 18 / 1950 M M M M M
26 M M M 54 37 45 M 74 / 1979 17 / 1950 M M M M M
27 M M M 53 37 45 M 75 / 1896 14 / 1938 M M M M M
28 M M M 53 37 45 M 74 / 1973 15 / 1930 M M M M M
29 M M M 52 36 44 M 75 / 1905 14 / 1930 M M M M M
30 M M M 52 36 44 M 75 / 1933 11 / 1929 M M M M M
Legend
Avg:
Average (The formula is High Temperature + Low Temperature / 2)
Dpt:
Departure (from Normal, the formula is Actual Average - Normal Average)
Ground:
Snow amount on the ground
TR:
trace amount of precipitation; less than 1/100th of an inch of liquid, less than 1/10th of an inch of snow
M:
Missing information not supplied by the National Weather Service
*
When an asterisk appears next to a year, it indicates a record tie so the last year is shown
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Monthly Graph for November 2009
Legend:
 Record High Temperature (Usually the top line)
 Actual High Temperature
 Actual Low Temperature
 Record Low Temperature (Usually the bottom line)
 Normal High Temperature
 Normal Low Temperature
 
Monthly Totals for November 2009
High Temperature
Actual
74°F (on Nov. 8)
Record
86°F (on Nov. 1 - 1974)
Low Temperature
Actual
35°F (on Nov. 7)
Record
11°F (on Nov. 30 - 1929)
Normal Averages
High
57°F
Low
40°F
Departure
5°F
Degree Days
Cooling
0
Heating
268
Precipitation
Actual
3.25in
Normal
3.03in
Departure
0.22in
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