Sentences with phrase «of daily minimum temperatures»

Cold waves were similarly defined as periods of at least 3 days in January and February when daily minimum temperatures were lower than the 95th percentile of daily minimum temperatures for those two months.

Because the relatively moderate early December cold - snap has dissipated, neither threshold is likely to be crossed which will make 2016 the second warmest year on record overall and the warmest ever for annual average of daily minimum temperatures.

For example, freezing rain, which results in ice storms, is not represented in climate models, but frequencies of daily minimum temperatures on wet days might serve as useful surrogate variables (Konrad, 1998).

So, for the record for annual average of daily minimum temperature to fail to be broken, December would need to have colder minimum temperatures than any time in the past 32 years.

Such a decrease is partly related to a reduction of cold extremes, which are primarily associated with the increased mean of the daily minimum temperature.

Not exact matches

The researchers also recorded the maximum and minimum daily temperatures, as well as the percentage of high - level solar radiation.

Maps of median TAE averaged across 23 model simulations for (a) and (b) mean surface air temperature, (c) and (d) highest daily maximum temperature, (e) and (f) lowest daily minimum temperature, (g) and (h) total precipitation, and (i), (j) maximum 1 - d precipitation for (a), (c), (e), (g) and (i) June - August and (b), (d), (f), (h) and (j) December - February.

Data on daily average temperature, death rates, and confounding variables (eg, humidity and air pollution) were used to calculate the temperature of minimum mortality (the optimal temperature), and to quantify total deaths due to non-optimal ambient temperature in each location.

Six - hourly data fields for 2 m maximum temperature, minimum temperature, specific humidity, surface pressure, precipitation rate, water equivalent of actual snow depth and 10 m U and V wind components were summarized to daily data (Supplementary Table 2).

Average daily minimum and maximum temperatures increase in the mid-century and end - of - century projections for both stabilization and business - as - usual emission scenarios (Figure 2 - 10 shows output for annual average daily maximum temperature).

And in 2016 the number of daily record high minimum temperatures outnumbered record low minimum temperatures 7 - to - 1.

«Additionally, surface temperatures used for tracking climate change use the average of daily maximum and minimum temperatures,» said McNider, a distinguished professor emeritus at UAH.

The monthly mean is obtained as the average of each daily maximum and minimum temperature, so that the warm bias is not reduced by averaging.

I believe that analysis of temperature and dewpoint data at NOAA NWS cooperative climate station locations, many stations with more than 110 years of daily maximum minimum and mean temperature data, has great value which is not being fully utilized by scientists and the public.

Daily maximum temperatures are rising, as are minimum temperatures, except for cooler nights in autumn in the southwest of SEA closely related to lower rainfall.

Both fire hazard indices increased over this period, as a consequence of increasing mean daily maximum temperature and decreasing minimum daily relative humidity.

Some influences are fairly robust, the panel says, particularly a warming of extreme daily maximum (and minimum) temperatures.

This result is a combination of land data, using stations where the only measurements recorded are those of the maximum and minimum daily temperature, and ocean data which are probably much more representative of the true daily mean.

Out of 5,569 daily minimums recorded on the 21st, 188 broke previous records and another 138 tied them (exceeding or equaling, respectively, the previous record for daily minimum temperature).

In general, if the shape of the daily temperature cycle is changed by increasing greenhouse gases [and there is a sufficiency of theoretical arguments to suggest that it could be (plenty of completely untested hypotheses which are soundly based in accepted physics)-RSB-, then the trends of that shape (the trend of the true 24 - hour average temperature) may bear no resemblance at all to the trend in the average of the daily maximum and minimum.

Shows that a suite of modeled and derived measures (produced from daily maximum — minimum temperatures) linking plant development (phenology) with its basic climatic drivers provide a reliable and spatially extensive method for monitoring general impacts of global warming on the start of the growing season

Clearly UHI has substantially increased temperatures in many cities, but that is because average temperatures are generally computed as the average of the daily minimum and maximum.

Since 1950, it has been found that the global diurnal temperature range (DTR), the difference between the minimum temperature (Tmin) and the maximum temperature (Tmax) of daily surface air temperature, has been temporally decreasing in several places all over the world.

It also applies mainly to daily maximum temperatures, with daily minimums being higher now in the vast majority of the US:

«It is likely that anthropogenic influences have led to warming of extreme daily minimum and maximum temperatures at the global scale.

In the most realistic case of half - field capacity, the July daily minimum temperature in the California Central Valley increased by 3.5 °C, in agreement with station observation trends over the past century in the same area.

Minimum daily temperatures are of course important because they are used as input to calculate the daily temperatures that comprise the long - term surface temperature record.

Insert noise by using reanalysis of daily winds instead of actual wind measurements around the time temperature minima are reached.

The E-OBS holds gridded data for daily values of the precipitation amount, the daily mean - sea - level pressure and the daily maximum, mean and minimum temperatures from January 1950 onward.

tasmax — Maximum daily temperature near surface tasmin — Minimum daily temperature near surface rhsmax — Maximum daily relative humidity near surface rhsmin — Minimum daily relative humdity near surface huss — Average daily specific humidity near surface pr — Average daily precipitation amount at surface rsds - Average daily downward shortwave radiation at surface was — Average daily wind speed near surface uas — Average daily eastward component of wind near surface vas — Average daily northward component of wind near surface

Karl, T.R. et al., (1993) Asymmetric Trends of Daily Maximum and Minimum Temperature.

We examine a range of climate extremes, comprising the 10th and 90th percentiles of daily maximum (TX) and minimum (TN) temperatures, the 90th percentile of daily precipitation (PR90), and the 27 core Climate Daily Extremes (CLIMDEX) inddaily maximum (TX) and minimum (TN) temperatures, the 90th percentile of daily precipitation (PR90), and the 27 core Climate Daily Extremes (CLIMDEX) inddaily precipitation (PR90), and the 27 core Climate Daily Extremes (CLIMDEX) indDaily Extremes (CLIMDEX) indices.

More than one - half of the stations showed a significant positive relationship at the daily time scale between warm nights (daily minimum temperature greater than the 90th percentile) or warm days (daily maximum temperature above the 90th percentile) and heavy - precipitation events (daily precipitation exceeding the 75th percentile), with the greater frequencies found for the east and southwest coasts during autumn and winter.

The month began with a cold arctic blast, and with a temperature of -5 °F (before windchill is factored in) on Jan 7th, a new daily minimum record was set.

New analyses of daily maximum and minimum land - surface temperatures for 1950 to 1993 continue to show that this measure of diurnal temperature range is decreasing very widely, although not everywhere.

Increase of minimum temperatures rathern than daily maximum's could be a result of CO2, but is more likely a signature of urban heat islands.

The entire season of fall demonstrated the same disparity between daily maximum and minimum temperatures, but with the pattern shifted so that the southern tier of BC experienced the record daily minimums.

September average daily maximums were close to normal or below normal in some locations while October brought very cold conditions in northern BC with average daily maximum temperatures in the coldest ten percent of the long - term record and daily minimum temperatures below normal.

The exception being winter (which spans December 2015 through February 2016) where all regions experienced average daily minimum temperatures in the top 10 percent and all but the south - central and east central portions of the province experienced maximum temperatures in the top 10 percent.

Specifically, this analysis is of the average of minimum and maximum daily temperature as well as precipitation totals.

Crazy statistical inference of the week We can measure a higher daily average temperature while accumulating less heat due to the biases created by the minimum.

Yes stefanthedenier, it is indeed correct that increasing the percentage of water vapor in Earth's atmosphere leads to lower mean daily maximum and minimum temperatures.

The indicators are based on daily maximum and minimum temperature series, as well as daily totals of precipitation, and represent changes in all seasons of the year.

I understand that you calculate the daily differences of the minimum (or maximum temperature) from the temperature measurements at stations, area average those for the domain you want to study, and then you plot these averaged daily differences over time.

We will use long term daily station data from the US and Europe reaching back to the 19th century to find changes in extremes of daily, monthly and seasonal minimum and maximum temperature, as well as extreme monthly and seasonal temperatures over the period.

«And since it has long been known that the DTR has declined significantly over many parts of the world as mean global air temperature has risen over the past several decades (Easterling et al., 1997), it can be appreciated that the global warming with which this DTR decrease is associated (which is driven by the fact that global warming is predominantly caused by an increase in daily minimum temperature) has likely helped to significantly reduce the CHD mortality of the world's elderly people.»

«Working with data pertaining to 7450 cardiovascular - related deaths that occurred within Budapest, Hungary, between 1995 and 2004 — where the deceased were «medico - legally autopsied» — Toro et al. looked for potential relationships between daily maximum, minimum and mean temperature, air humidity, air pressure, wind speed, global radiation and daily numbers of the heart - related deaths... scientists report and restate their primary finding numerous times throughout their paper, writing that (1) «both the maximum and the minimum daily temperatures tend to be lower when more death cases occur in a day,» (2) «on the days with four or more death cases, the daily maximum and minimum temperatures tend to be lower than on days without any cardiovascular death events,» (3) «the largest frequency of cardiovascular death cases was detected in cold and cooling weather conditions,» (4) «we found a significant negative relationship between temperature and cardiovascular mortality,» (5) «the analysis of 6 - hour change of air pressure suggests that more acute or chronic vascular death cases occur during increasing air pressure conditions (implying cold weather fronts),» (6) «we found a high frequency of cardiovascular death in cold weather,» (7) «a significant negative relationship was detected between daily maximum [and] minimum temperature [s] and the number of sudden cardiovascular death cases,» and (8) «a significant negative correlation was detected between daily mean temperature and cardiovascular mortality.»

On the issue of using the average of the maximum and minimum temperatures to calculate a mean versus more frequent daily measurements, one paper that examined this is

Across the United States, weather station data reveal that daily maximum temperature records outnumbered minimum temperature records for nine months of 2010.

You would think it would be, but on careful review of regional daily minimum temperature trends it's not apparent, But the PDO and AMO phases sure are.