SANTA ROSA, California, 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 SANTA ROSA, California, 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 SANTA ROSA, CA
Daylight chart for {A['location']}, California, USA

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Explanation, Data Sources, Background and Discussion.

Data for SANTA ROSA, California, USA

NOAA Station Id: CA047965 Latitude: 38°26'32N Longitude: 122°42'57W Elevation: 167'

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 SANTA ROSA, CA, use latitude 38°26'32N and longitude 122°42'57W in the form. You'll need to know the time zone of the location.

Climate (Average Weather) Data

StatisticUnitsJanFebMarAprMayJunJulAugSepOctNovDecAverage
Minimum Temperature°F39.542.544.245.648.752.15353.252.548.74338.846.82
Maximum Temperature°F57.86264.869.674.279.982.282.381.876.965.358.171.24
Heating Degree Days50735632822714465293652109328513224.50
Cooling Degree Days00253594110121116412043.83
Monthly Precipitationinches6.256.084.711.670.830.190.060.110.491.814.314.52.58

First and Last Frost Dates


First FrostLast Frost
10%50%90%10%50%90%
NOV 05DEC 07JAN 08JAN 10FEB 21APR 05
Explanation of frost dates.


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