Below are some daily and monthly weather data for Chatsworth, covering the period primarily from about 1961 to 2011. For current data from Dave’s… [Read More]
Unravelling Death Valley’s 134F Temperature Record, Part 4C 1911 to 1930 Heat Events
This is Part 4C, an in-depth investigation of the hottest periods in the Death Valley region during the first 20 years of the Greenland Ranch… [Read More]
Unravelling Death Valley’s 134F Record, Part 2 Early Greenland Ranch Data Reliability
PART ONE is here PART THREE is here PART FOUR is here PART FIVE is here PART SIX is here August 2016 update —-… [Read More]
July 2018 Daily Weather Maps and Data — Part 2 of 2, July 16-31
July 2018 was one of the hottest months on record in the Death Valley region. These daily maps and graphics were saved to document the… [Read More]
July 2018 Daily Weather Maps and Data — Part 1 of 2, July 1-15
Part 2 is here/data and maps for July 16-31 July 2018 was very hot in desert areas of California, Nevada, and Arizona. Some stations in… [Read More]
July 2018 Record Hot Month at Death Valley
As a climatologist and researcher of temperature records for Death Valley in California, I was intrigued, but not amazed, to learn that July, 2018, was… [Read More]
Unravelling Death Valley’s 134F Temperature Record, Part 4A — 1931 to 1960 Heat Events
PART 4A— HISTORIC HEAT WAVES IN THE DEATH VALLEY REGION 1931 to 1960 Part 4 became quite large, quite unwieldy. So, I decided to break… [Read More]
Unravelling Death Valley’s 134F Temperature Record — Part 6, Greenland Ranch and observer Oscar A. Denton
Welcome to another edition of my research into the old Death Valley temperature record. This is Part 6. To find links to all of the… [Read More]
July 23, 2017 Temperature Measurements on a Hot Afternoon in Death Valley
Note: This entry details my findings and thoughts on detailed temperature measurements and patterns in and around Death Valley on July 23…. [Read More]
February 17, 2017 Wind and rain storm in Westlake Village
This is a study of the weather conditions during the heavy storm that impacted Southern California, notably coastal Los Angeles and Ventura counties, on February… [Read More]
November 18, 2016 Death Valley Temperature Record Blog on WU
If you have looked through my web site, then you have probably come across my write-ups on the world’s record high temperature of 134F… [Read More]
Unravelling Death Valley’s 134F Temperature Record — Part 5 Supplemental Data Tables
The data tables below were prepared for the WeatherUnderground writeup of October, 2016. Incorporated in Table A are the average daily maximums for Death Valley… [Read More]
Unravelling Death Valley’s 134F Temperature Record — Part 4 Historic Heat Waves
PART FOUR — HISTORIC HEAT WAVES IN THE DEATH VALLEY REGION This part was becoming large and unwieldy, so I have broken it up into… [Read More]
November 13, 2015 Local minimum temperature study
The offshore wind pattern of the past few days has spread very dry air over SoCal and has resulted in a very wide range of… [Read More]
Unravelling Death Valley’s 134 Temperature Record, Part 3 Hot Temperature Comparisons
UPDATE, August, 2016 This part remains incomplete — sorry about that. I have been working on Part 4, which will help me with the remaining… [Read More]