ClimateHQ: Hot or Not?: Seasonal Changes

Non-partisan, independent presentation of climate data. No political ideology, agenda, or financial incentive. Just the data and the trends from published peer-reviewed research, no matter what it shows. We don't cherry pick. Site owner is a Ph.D. geologist who attempts to present the data in as simple a format as possible, so everyone can understand. Choose a subject from the list, or just scroll down. Data is presented in at-a-glance format with minimal analysis. Climate change is much more than just temperatures.

We don't post often, as there is no need to repost the same data over and over. But we do post data from scientists who have boots on the ground and are doing the dirty fieldwork to collect data.

Showing posts with label Seasonal Changes. Show all posts

Showing posts with label Seasonal Changes. Show all posts

Cherry blossom times, Kyoto, Japan, 800 A.D. to present day

Cherry blossom times each year, Kyoto, Japan, 800 A.D. to present day. From Osaka Prefecture University:

Arctic Melt Season

The length of the Arctic melt season since 1979 as measured by NASA:

Spring first-leaf dates in the northern hemishere

A chart of the spring first-leaf dates in the northern hemisphere from 1961-2000 taken from 1147 stations. Orange-red indicated earlier dates, blues and purple later:

Schwartz et al., 2006

Harrisburg, Pennsylvania Seasonal Snowfall

119 years worth of seasonal snowfall data at Harrisburg, Pennsylvania:

Length of Growing Season

Length of the growing season in Lincoln, Nebraska from 1880 to today:

Length of growing season in the central UK since 1960:

In the Netherlands:

From the Wisconsin climate office, the Milwaukee growing season:

Donner Summit, CA Snowpack

Maximum snowpack depth at Donner Summit, California since 1879:

Average dates of ice out in Minnesota

Average dates of ice out in Minnesota since 1938:

Lake Superior Water Temperatures

A record of Lake Superior water temperatures dating back to 1981:

Duration of Winter Lake Ice in Wisconsin

Annual duration of winter lake ice on Lake Mendota, Wisconsin from 1852/53 to today:

Snowpack in the US Cascade Mountains

A graph of the Cascades snowpack since 1952. Snow Water Equivalence (SWE)/Total Winter Precipitation (PPT) ratio:

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