Pearson type 4 in Excel

Updated… Also see Pearson type 3 in Excel

We did type III, so what about the Pearson type IV probability distribution? One author calls the type IV a Cinderella distribution¹ — it’s a beautiful thing, but completely lost to most.

. . . → Read More: Pearson type 4 in Excel

More paint drying

Global monthly temperatures since 1850 -- instrumental estimates

We’ve updated sea ice, so it’s time to have another look at the global temperature series I last updated nearly a year ago. Here’s the instrumental averages with another year on the traces. Ho-hum … still shooting up; still on track

. . . → Read More: More paint drying

Season 2014 roundup

Snow depth Spencers Creek 2014

Here are all those charts updated and collated for you… . . . → Read More: Season 2014 roundup

Arctic sea ice update

PIOMAs northern sea ice volume

Another arctic melt season is over, so it’s time to check progress. This year it’s more good news. The recovery over the last couple of years has continued, though it remains but a bump in a long term decline.

. . . → Read More: Arctic sea ice update

Err ... what he said.

Fareweel to a’ our Scottish fame, Fareweel our ancient glory;

. . . → Read More: Err … what he said.

Season 2014 peak depth

Future trend of Australian snow depth

Click refresh on your browser to see the latest plots.

Ok, time to call it. There’s now no realistic chance that the 168.5 cm peak snow depth recorded on 24 July will be exceeded. That’s as measured by Snowy Hydro Limited at Spencers Creek, midway between Perisher Valley and Thredbo, NSW, Australia, at around 1830 m elevation.

. . . → Read More: Season 2014 peak depth

17-18 September

Outcome added…

Another little event is showing this week, with maybe some actual snow this time. Needed.


Fred at Frog, late 1970s

He died high on the west ridge of Everest, 30 years ago next month. Fred touched all kinds of people in surprising ways that I’ve gradually discovered over the years. My guide, my inspiration, my rock in a scary world … but not just mine. . . . → Read More: Fred

10-12 September


Outcome added…

August has been ridiculously slow, but with the change of month we seem to be slipping straight back into a standard 7-10 day winter pattern. There’s now a pretty clear repeat event to next week’s, due late in the week following

. . . → Read More: 10-12 September

Season in review


Update: Added outcome for 2-4 September system

Our snow season is far from over, but the big melt will soon start. Now’s a good time to reflect on what we’ve seen so far, with archive charts from the Australian Bureau of Meteorology

. . . → Read More: Season in review