Washington, DC, Washington,_DC, USA:
Climate, Global Warming, and Daylight Charts and Data

Scroll down to see the all the data on which the charts are based. Also see Explanation, background, and discussion.
Global Warming/Climate Change for Washington, DC, Washington,_DC, USA

One predicted temperature increase is
between 3°C and 5°C (5.4°F and 9.0°F).
See About the Global Warming Data for more information about this prediction.

climate chart for Washington, DC, USA

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Explanation, Data Sources, Background and Discussion.

Data for Washington, DC, Washington,_DC, USA

NOAA Station Id: US72405004489061 Latitude: 38°51'N Longitude: 077°02'W Elevation: 20m, 66'

Sunrise and Sunset Data

The yellow section shows when the sun is up, and how this changes over the year. Use the time-of-day scales, on the left and right, and the month scale on the top and bottom, to tell approximately when sunrise and sunset occur. See Sunrise, Sunset, and Daylight for more info.

The sunrise and sunset times shown in the chart are approximate. They are accurate for the latitude, and show the precise amount of daylight, but the rise and set times may be offset (up or down in the chart) since I don't have an automated way of matching time zones to longitudes. The charts are made assuming that the location is in the middle of an evenly spaced time zone.

For precise times see US Naval Observatory. For Washington, DC, USA, use latitude 38°51'N and longitude 077°02'W in the form. You'll need to know the time zone of the location.

Climate (Average Weather) Data

Data is presented in both metric and "English" units.

NOAA
Code
StatisticUnitsJanFebMarAprMayJunJulAugSepOctNovDecAverage
0101Temperature
Mean Value
F34.537.647.156.566.475.680.178.471.259.749.839.458
0201High Temperature
Mean Value
F42.345.956.566.776.384.788.586.980.169.158.346.966.8
0301Low Temperature
Mean Value
F26.829.137.846.456.766.671.47062.450.441.231.649.2
0615Precipitation
Mean Monthly Value
Inches2.82.83.32.83.83.544.13.43.13.23.23.4
0915Snowfall
Mean Monthly Value
Inches6.56.71.7000000013.31.6
 
0101Temperature
Mean Value
C1.43.18.413.619.124.226.725.821.815.49.94.114.46
0201High Temperature
Mean Value
C5.77.713.619.324.629.331.430.526.720.614.68.319.36
0301Low Temperature
Mean Value
C-2.9-1.63.28.013.719.221.921.116.910.25.1-.29.55
0615Precipitation
Mean Monthly Value
mm69.168.880.568.893.085.996.599.384.176.779.279.281.76
0915Snowfall
Mean Monthly Value
cm15.716.04.10.0.0.0.0.002.57.93.85
 


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