Sentences with phrase «number of station records»

Meteorological station data provide a useful indication of temperature change in the Northern Hemisphere extratropics for a few decades prior to 1880, and there are a small number of station records that extend back to previous centuries.

Figure 2 shows the number of station records available for each month in both the existing GHCN - Monthly data (used as the basis for reconstructions by GISTemp / NCDC / CRUTEM) and the new Berkeley data.

Though not shown on that plot, the number of records that have been added to the GHCN database for 2000 - 2005 are roughly equivalent to the number of station records available from the 1920s.

Not exact matches

Nalerigu constituency recorded the highest number of polling stations pegged at 36 followed by Tamale South 31.

He said quite often than not, the number of registered party members the CPP have, does not show up to vote during national elections, thereby making the party record single digits at some polling stations.

That comes amid a growing number of horror stories about people being stuck in packed, non-air-conditioned trains — and the MTA responding by offering free books in subway stations or nixing recorded explanations for train delays with live updates from MTA staffers on trains.

If the GHCN's collection is treated as a more or less complete accounting of the available instrumental temperature record, then the number of stations rose steadily during the first half of the twentieth century, surged in the 1940s - 1970s, and then sharply declined afterward.

(I also note on the graphic how many possible records there were in a given month, which is roughly the number of stations times the number of days in the month.)

Since most stations don't have a continuous record from 1885 - present, the number of stations will in general decline as you go back or forward in time from the 1950 - 1981 baseline period.

If the GHCN's collection is treated as a more or less complete accounting of the available instrumental temperature record, then the number of stations rose steadily during the first half of the twentieth century, surged in the 1940s - 1970s, and then sharply declined afterward.

The lower panel shows how many of the selected stations actually reported data for any given year (variations in station record - lengths, data «gaps», etc. mean that the number of stations reporting data for any given year will vary.)

Secondly, through the copious use of station weather data, a number of single station records with long term cooling trends are shown.

There are a finite number of temperature recording stations and these are placed around the Earth in an heterogeneous manner.

The Berkeley Earth dataset contains records for nearly 40,000 stations, i.e., more than 5 times the number of stations in the Global Historical Climatology Network.

One rare region which has a large number of rural stations with relatively long and complete records is the U.S.

It seems to me that with thousands of station changes and millions of observations that changes resulting in warmer recordings would be offset by a more or less equal number of changes resulting in cooler recordings.

We found that the U.S. components included a relatively high number of rural stations with long records, making them somewhat reliable.

However, there are only 50 states, and this is a number that isn't large enough to give the best statistical results... [a better metric is a] year - by - year numbers of daily all - time record high temperatures from a set of 970 weather stations with at least 80 years of record... There are 365 opportunities in each year (366 in leap years) for each of the 970 stations to set a record high... Note the several years above 6000 events prior to 1940 and none above 5000 since 1954.

3) The number of days over the top 10 % of highest TMax as an anomaly using 19 stations with records back before 1920.

True — it probably will not have a measurable effect of atmospheric temperatures per se» but remember a significant number of temperature measuring stations are close ground level and these stations may record lower temperatures in each locality.

I should have added to my post on New Zealand stations, that the record also includes a number of sub-Antarctic islands — so it is of more interest than just New Zealand as such

The area of the circle around each point represents the number of temperature records set to date at that station.

That can be demonstrated any number of ways: by including stations that have dropped out of GHCN; by using only stations that remain in the record and by using random subsamples of the 36,866 stations.

Although the global network nominally contains temperature records for a large number of rural stations, most of these records are quite short, or are missing large periods of data.

The most important issue is whether this drop - off in the number of reporting weather stations has had any impact on the temperature record.

We then see the real culprit in reducing the number of stations and how this artificially imposed a 0.5 C increase in temperature records WITHOUT ANY ACTUAL WARMING:

I discovered that the number of Canadian weather stations in the GHCN record peaked around 1970 and then declined sharply, just as shown in D'Aleo & Watts (2009).

Spot checking the reports, almost every one had a single station in it, and did not have any records for some number of years during the period of 1950 - 2013.

Note however that the number of stations is based on the number of unique locations, and not the number of record fragments.

The small number of weather stations in the region with complete records since 1979 also indicates predominantly below - average temperatures over the past year.

THANKFUL ACKNOLWEDGEMENT: This data is composed from a large number of station data and icecore records.

«The figures below indicate a the number of stations with record length at least N years as a function of N, b the number of reporting stations as a function of time, c the percent of hemispheric area located within 1200 km of a reporting station.»

The high proportion of whole.0 Celsius recordings is partly due to a large number of consecutive blocks of.0 Celsius fractions that appear over months and sometimes years in more than half the temperature records of all Australian weather stations.

The number of weather stations recording very warm night - time temperatures and the frequency with which these occur has increased since the mid 1970s.

as you do know the number of volunteers that recorded the temperature data plus all sorts of disparate organisations from river stations and railways don «t you?

They took a small number of long station records and compared them to co-located grid points in single realisations of a few models and correlate their annual and longer term means.

[Response: That's a function of the number of stations you evaluate and the record length at each one.

- The difficulty of obtaining meaningful global temperature data, due to land use changes, equipment changes, location changes, gaps in records, varying station numbers and gaps in geographic coverage.

For each station, they computed a rough measure of climate change based on the number of days in the year on which the record high was more recent than the record low.

There have been a number of studies suggesting that ground - based data is severely compromised by urban heat island effects, inappropriate placement of monitors that increase recorded temperatures over what they would have been if the instruments had been properly cited, and the drop - out of a large number of rural stations in the 1970s.

A second version was released in 1997 following extensive efforts to increase the number of stations and length of the data record (Peterson and Vose, 1997).

• Enhance the number of returning coffee customers by 20 % through effective coffee making and customer service skills • Attain the most dedicated employee award in 2014 • Note orders and serve coffee, food, and beverages to guests in a timely fashion • Make coffee using many brewing methods such as pour over, espresso and cold brew • Open and close the coffee station • Assist in menu setting and determining coffee of the week regularly • Communicate with customers, note their preferences and take feedback • Perform cashiering and inventory management tasks • Monitor wastage and record consumption of items • Maintain cleanliness of counter and bar