Winter 2018-2019 Statistics




I get a lot of requests and searches for weather information on this site. Weather pages are actually some of the most popular. So I created a new page specifically focusing on the current winter season. It will have up-to-date stats dealing with snowfall, temperature, etc. This new page is here: Winter 2018-2019

The Biggest Snowstorms of All Time





Near blizzard conditions in Columbus just before 1am on 1/20/2019.

In light of yesterday’s strange storm that challenged local forecasters, I thought it might be time to look at Columbus’ biggest snow events since records began in 1878.

Top 20 Largest 1-Day Snowfalls
1. 3/8/2008: 15.5″
2. 4/4/1987: 12.3″
3. 1/6/1910: 11.9″
4. 2/15/2010: 9.7″
5. 3/19/1906: 9.6″
6. 2/5/2010: 9.0″
7. 2/8/1971, 2/16/2003: 8.9″
8. 1/7/1996: 8.8″
9. 3/5/1962: 8.6″
10. 1/8/1884: 8.5″
11. 2/16/1910: 8.2″
12. 12/3/1957: 7.9″

Top 12 Largest 2-Day Snowfalls
1. 3/7-3/8/2008: 20.5″
2. 3/8-3/9/2008: 15.5″
3. 2/16-2/17/1910: 15.0″
4. 1/6-1/7/1910: 12.7″
5. 4/4-4/5/1987: 12.5″
6. 4/3-4/4/1987: 12.4″
7. 2/15-2/16/2003: 12.0″
8. 1/5-1/6/1910: 11.9″
9. 2/16-2/17/2003: 10.8″
10. 2/11-2/12/1910, 2/4-2/5/2014: 10.6″
11. 2/15-2/16/2010: 10.4″
12. 1/8-1/9/1884: 10.2″

Top 12 Largest 7-Day Snowfalls
1. 2/11-2/17/1910: 25.6″
2. 2/12-2/18/1910: 21.4″
3. 3/2-3/8/2008, 3/3-3/9/2008, 3/4-3/10/2008, 3/5-3/11/2008: 21.2″
4. 3/6-3/12/2008, 3/7-3/13/2008: 20.5″
5. 1/14-1/20/1978: 19.0″
6. 2/10-2/16/1910: 18.8″
7. 3/30-4/5/1987: 18.3″
8. 3/29-4/4/1987: 18.1
9. 1/15-1/21/1978, 1/16-1/22/1978: 17.8″
10. 2/13-2/19/2003, 2/14-2/20/2003: 17.5″
11. 2/10-2/16/2003: 17.0″
12. 4/1-4/7/1886, 4/2-4/8/1886: 16.9″

Top 12 Largest 15-Day Snowfalls
1. 2/8-2/22/1910, 2/9-2/23/1910: 28.8″
2. 2/3-2/17/1910: 28.5″
3. 2/4-2/18/1910, 2/5-2/19/1910, 2/6-2/20/1910, 2/7-2/21/1910: 28.4″
4. 2/10-2/24/1910, 2/11-2/25/1910: 26.3″
5. 2/2-2/16/2010: 25.8″
6. 1/7-1/21/1978, 1/8-1/22/1978: 25.7″
7. 1/6-1/20/1978, 2/3-2/17/2010, 2/4-2/18/2010, 2/5-2/19/2010: 25.5″
8. 1/12-1/26/1978: 25.2″
9. 2/1-2/15/2010: 25.1″
10. 3/10-3/24/1906, 3/11-3/25/1906, 1/13-1/27/1978: 24.8″
11. 1/14-1/28/1978, 2/10-2/24/2003: 24.5″
12. 3/6-3/20/1906, 3/7-3/21/1906: 23.8″

Top 12 Largest 30-Day Snowfalls
1. 1/20-2/18/1910, 1/21-2/19/1910: 37.9″
2. 1/19-2/17/1910: 37.6″
3. 1/22-2/20/1910: 35.3″
4. 1/2-1/31/1978, 1/3-2/1/1978, 1/4-2/2/1978, 1/5-2/3/1978: 34.0″
5. 1/8-2/6/1978: 33.8″
6. 1/1-1/30/1978, 1/7-2/5/1978: 33.6″
7. 12/30/1977-1/28/1978, 12/31/1977-1/29/1978: 33.4″
8. 12/29/1977-1/27/1978: 32.8″
9. 12/28/1977-1/26/1978: 32.5″
10. 1/6-2/4/1978: 32.0″
11. 2/8-3/8/2008: 31.8″
12. 1/24-2/22/1910, 1/25-2/23/1910, 1/26-2/24/1910, 1/27-2/25/1910, 1/28-2/26/1910, 1/29-2/27/1910, 1/30-2/28/1910, 1/26-2/24/2003: 30.7″

Certain years show up on all the lists, including 1906, 1910, 1978, 2003, 2008 and 2010. These winters all had periods of extreme snowfall and are considered “historic”.
Check out more All-Time records here: All-Time Weather




Worst Heatwaves in History





The next week looks to be very warm and humid, with heat advisories popping up all over the region.  While this heatwave looks bad, it’s definitely not the worst Columbus has ever had.  Let’s take a look at some of the worst.

To find out what the worst heatwaves were, I looked at average temperatures for different consecutive time periods- 3 days, 7 days, 10 days and 30 days. Unsurprisingly, some historically hot summers popped up, particularly from the 1930s.

Top 5 3-Day Periods with the Warmest Average High Temperature
1. 7/20-7/22/1934, 7/9-7/11/1936, 7/12-7/14/1936: 103.3
2. 7/24-7/26/1934, 7/8-7/10/1936, 7/10-7/12/1936, 7/11-7/13/1936: 102.7
3. 7/8-7/10/1881: 101.3
4. 7/2-7/4/1911, 8/5-8/7/1918, 7/21-7/23/1934, 7/7-7/9/1936: 101.0
5. 7/3-7/5/1911, 7/13-7/15/1936: 100.7

Top 5 7-Day Periods with the Warmest Average High Temperature
1. 7/8-7/14/1936: 103.1
2. 7/9-7/15/1936: 102.1
3. 7/20-7/26/1934, 7/7-7/13/1936: 101.7
4. 7/10-7/16/1936: 100.7
5. 7/19-7/25/1934, 7/11-7/17/1936: 100.3

Top 5 10-Day Periods with the Warmest Average High Temperature
1. 7/8-7/17/1936: 101.0
2. 7/7-7/16/1936: 100.8
3. 7/6-7/15/1936: 100.2
4. 7/9-7/18/196: 99.8
5. 7/5-7/14/1936: 99.2

Top 5 30-Day Periods with the Warmest Average High Temperature
1. 6/29-7/28/1936: 92.7
2. 6/28-7/27/1936: 92.6
3. 6/27-7/26/1934: 92.5
4. 6/26-7/25/1934, 6/30-7/29/1936: 92.3
5. 6/28-7/27/1934: 92.2

So with a few exceptions, the heat waves in 1934 and 1936 dominated for high temperatures. The top 5 highest individual temperatures ever are:
1. 7/21/1934, 7/14/1936: 106
2. 7/9/1936: 105
3. 7/22/1901, 7/4/1911, 7/25/1934, 7/11/1936, 7/14/1954: 104
4. 7/10/1881, 8/5/1918, 7/22/1934, 7/12/1936: 103
5. 7/12/1881, 7/4/1897, 8/6/1918, 7/24/1934, 7/26/1934, 7/8/1936, 7/27/1936, 6/28/1944: 102

High temperatures in the upcoming heatwave should only reach the mid-90s.

Now that we’ve see the worst periods for high temperature, let’s look at the worst for the mean temperature, which is the average between the high and low. This details those periods that provided little relief even at night.

Top 5 3-Days Periods with the Warmest Average Temperature
1. 7/20-7/22/1934: 90.5
2. 7/8-7/10/1881: 90.3
3. 7/9-7/11/1881: 90.0
4. 7/10-7/12/1881, 7/9-7/11/1936: 89.8
5. 7/12-7/14/1936: 89.5

Top 5 7-Day Periods with the Warmest Average Temperature
1. 7/8-7/14/1936, 7/9-7/15/1936: 89.1
2. 7/6-7/12/1881: 89.0
3. 7/20-7/26/1934: 88.9
4. 7/7-7/13/1881: 88.6
5. 7/5-7/11/1881, 7/10-7/16/1936: 87.9

Top 5 10-Day Periods with the Warmest Average Temperature
1. 7/8-7/17/1936: 87.4
2. 7/7-7/16/1936: 87.2
3. 7/5-7/14/1881, 7/6-7/15/1881, 7/9-7/18/1936: 87.1
4. 7/4-7/13/1881: 86.9
5. 7/6-7/15/1936, 7/7-7/16/1881: 86.6

Top 5 30-Day Periods with the Warmest Average Temperature
1. 6/27-7/26/1934: 81.4
2. 6/28-7/27/1934: 81.3
3. 6/26-7/25/1934: 81.2
4. 6/29-7/28/1934, 7/19-8/17/1940, 7/20-8/18/1940, 6/28-7/27/2012: 81.0
5. 7/18-8/16/1940, 6/29-7/28/2012: 80.8

1934 and 1936 still dominate, but 1881 makes a strong showing. Only 2012 shows up with anything in the last 60 years, and that year also saw one of the worst wind events in Ohio history, partially fueled by the heat of that summer: https://en.wikipedia.org/wiki/June_2012_North_American_derecho

Finally, let’s look at periods that featured consecutive days with highs of 90 degrees or higher. What are the longest?

# of Consecutive Days with Highs 90 or Above
1. 7/3-7/16/1881: 14
2. 7/18-7/30/1940: 13
3. 6/24-7/5/1934, 7/7-7/18/1936, 6/28-7/9/1949, 7/21-8/1/1999: 12
4. 7/20-7/30/1901, 8/4-8/14/1918, 8/25-9/4/1953, 8/8-8/18/1988, 6/28-7/8/2012: 11
5. 7/27-8/5/1887, 9/7-9/16/1897, 7/29-8/7/1955, 6/13-6/22/1994: 10

A short video and article from 2016 about the 1936 heatwave, still the hottest in history.
https://www.nbc4i.com/local-news/columbus-resident-remembers-1936-heat-wave/1114607375

Winter 2017-2018




The winter of 2017-2018 featured some wild swings, from a very cold late December-early January to one of the warmest Februarys of all time. Let’s take a closer look at this volatile season, specifically December to February.

December 2017
Average High: 38.6 36th Coldest
Average Low: 23.7 33rd Coldest
Mean: 31.2 37th Coldest
Coldest High: 17 on 12/27/17
Coldest Low: 2 on 12/31/17
Warmest High: 60 on 12/4/17
Warmest Low: 47 on 12/22/17
32 or Below Highs: 10 11th Highest
32 or Below Lows: 27 5th Highest
Total Precipitation: 1.76″ 28th Driest
Total Snowfall: 8.1″ 23rd Snowiest
Average Snow Depth: 0.3″ 4th Lowest
Largest Daily Precipitation: 0.72″ on 12/23/17 31st Largest
Largest Daily Snowfall: 2.1″ on 12/30/17 32nd Largest
Highest Snow Depth: 3″ on 12/30-12/31/17 4th Lowest
Precipitation Days: 20 8th Highest
Snowfall Days: 15 8th Highest

December Records
Record High Minimum: 47 on 12/22/17. Tied for #1 Warmest Low for December 22nd. Tied with 2015.

January 2018
Average High: 35.4 39th Coldest
Average Low: 19.3 39th Coldest
Mean: 27.3 39th Coldest
Coldest High: 10 on 1/2/18
Coldest Low: -4 on 1/2/18
Warmest High: 60 on 1/11 and 1/22/18
Warmest Low: 52 on 1/11/18
32 or Below Highs: 14 11th Highest
32 or Below Lows: 26 6th Highest
Total Precipitation: 2.39″ 56th Driest
Total Snowfall: 10.5″ 38th Snowiest
Average Snow Depth: 1.4″ 15th Lowest
Largest Daily Precipitation: 0.66″ on 1/12/18 35th Lowest
Largest Daily Snowfall: 3.5″ on 1/12/18 29th Highest
Highest Snow Depth: 5″ on 1/16-1/17/18 6th Lowest
Precipitation Days: 26 4th Highest
Snowfall Days: 19 6th Highest

January Records
Record Low Maximum: 10 on 1/2/2018. Coldest High for January 2nd, beating the old record of 11, set in 1928.

February 2018
Average High: 47.3 7th Warmest
Average Low: 30.3 10th Warmest
Mean: 38.8 7th Warmest
Coldest High: 22 on 2/2/18
Coldest Low: 10 on 2/5/18
Warmest High: 77 on 2/20/18
Warmest Low: 60 on 2/20/18
32 or Below Highs: 5 6th Lowest
32 or Below Lows: 17 5th Lowest
Total Precipitation: 5.25″ 7th Highest
Total Snowfall: 6.0″ 43rd Highest
Largest Daily Precipitation: 1.23″ on 2/24/18 20th Highest
Largest Daily Snowfall: 4.4″ on 2/7/18. 17th Highest
Highest Snow Depth: 4″ on 2/7/18. 5th Lowest
Precipitation Days: 20 7th Highest
Snowfall Days: 10 13th Highest

February Records
Record Daily Snowfall: 4.4″ on 2/7/2018. Most snowfall for February 7th, beating the old record of 3.6″ set in 1895.
Record High Minimum: 55 on 2/15/2018. Warmest Low for February 15th, beating the old record of 53 set in 1954.
Record High Maximum: 77 on 2/20/2018. Warmest High for February 20th, beating the old record of 68 set in 1891 and 2016.
Record High Minimum: 60 on 2/20/2018. Warmest Low for February 20th, beating the old record of 49 set in 1930.

Winter (DJF only) 2017-2018
Average High: 40.4 28th Warmest
Average Low: 24.4 38th Warmest
Mean: 32.4 33rd Warmest
32 or Below Highs: 29 21st Highest
32 or Below Lows: 70 18th Lowest
Precipitation: 9.40″ 31st Wettest
Snowfall: 24.6″ 36th Snowiest
Average Snow Depth: 0.7″ 17th Highest (since 1948)

So overall, the winter was definitely warmer than normal, but not record-breaking, even with the extremely warm February. It was also wetter and snowier than normal as well.

Near white-out conditions on the evening of January 12th, 2018

Cool Link of the Day: NWS Wilmington’s Winter Weather Page

Given today’s 4-6″ of snow and ice, I thought it’d be good to give this link: NWS ILN Winter

This link provides information on radar, snow chances, current conditions, etc.

Also, check out the historic weather records for February here: February Weather

This link gives data on February weather from 1879 through 2017, and includes records on snowfall, cold, heat, rainfall, etc., along with charts giving historic averages by decade.