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mikegeukes
02-15-2011, 04:22 PM
I did some researched on tornado days and compiled a list for different states.
I like to use to the number of tornado days, instead of number of tornadoes, because
tornado outbreaks will skew the numbers. Using data for 31 years, 1980-2010, is
more representative of having better data to work with.

I still have to double check the numbers and finish Colorado, Missouri, Texas Panhandle.
This will take some time, my dad fell on the ice yesterday, broke his wrist and broke
his ankle. He had surgery on it, and I am more concern for taking care of dad for the
time being.

COLORADO: NUMBER OF TORNADO DAYS BY MONTH: 1980-2010 Under Construction
Compiled and Researched by Mike Geukes. Copyright 2011.
-000 Tornado Days: January
-000 Tornado Days: February
-007 Tornado Days: March
-027 Tornado Days: April
-114 Tornado Days: May
-203 Tornado Days: June
-131 Tornado Days: July
-085 Tornado Days: August
-024 Tornado Days: September
-008 Tornado Days: October
-000 Tornado Days: November
-000 Tornado Days: December
-599 Tornado Days: Total: 1980-2010

ILLINOIS NUMBER OF TORNADO DAYS BY MONTH: 1980-2010
Compiled and Researched by Mike Geukes. Copyright 2011.
-007 Tornado Days: January
-005 Tornado Days: February
-023 Tornado Days: March
-068 Tornado Days: April
-106 Tornado Days: May
-083 Tornado Days: June
-052 Tornado Days: July
-028 Tornado Days: August
-018 Tornado Days: September
-010 Tornado Days: October
-014 Tornado Days: November
-006 Tornado Days: December
-420 Tornado Days: Total: 1980-2010

INDIANA: NUMBER OF TORNADO DAYS BY MONTH: 1980-2010
Compiled and Researched by Mike Geukes. Copyright 2011.
-004 Tornado Days: January
-004 Tornado Days: February
-009 Tornado Days: March
-027 Tornado Days: April
-054 Tornado Days: May
-052 Tornado Days: June
-045 Tornado Days: July
-030 Tornado Days: August
-012 Tornado Days: September
-010 Tornado Days: October
-007 Tornado Days: November
-001 Tornado Days: December
-255 Tornado Days: Total: 1980-2010

IOWA: NUMBER OF TORNADO DAYS BY MONTH: 1980-2010
Compiled and Researched by Mike Geukes. Copyright 2011.
-000 Tornado Days: January
-000 Tornado Days: February
-018 Tornado Days: March
-052 Tornado Days: April
-088 Tornado Days: May
-132 Tornado Days: June
-096 Tornado Days: July
-056 Tornado Days: August
-022 Tornado Days: September
-008 Tornado Days: October
-004 Tornado Days: November
-001 Tornado Days: December
-477 Tornado Days: Total: 1980-2010

KANSAS: NUMBER OF TORNADO DAYS BY MONTH: 1980-2010
Compiled and Researched by Mike Geukes. Copyright 2011.
-001 Tornado Days: January
-004 Tornado Days: February
-038 Tornado Days: March
-067 Tornado Days: April
-161 Tornado Days: May
-159 Tornado Days: June
-083 Tornado Days: July
-045 Tornado Days: August
-028 Tornado Days: September
-020 Tornado Days: October
-006 Tornado Days: November
-002 Tornado Days: December
-614 Tornado Days: Total: 1980-2010

MICHIGAN: NUMBER OF TORNADO DAYS BY MONTH: 1980-2010
Compiled and Researched by Mike Geukes. Copyright 2011.
-001 Tornado Days: January
-000 Tornado Days: February
-005 Tornado Days: March
-018 Tornado Days: April
-039 Tornado Days: May
-064 Tornado Days: June
-063 Tornado Days: July
-042 Tornado Days: August
-020 Tornado Days: September
-010 Tornado Days: October
-003 Tornado Days: November
-000 Tornado Days: December
-265 Tornado Days: Total: 1980-2010

MINNESOTA: NUMBER OF TORNADO DAYS BY MONTH: 1980-2010
Compiled and Researched by Mike Geukes. Copyright 2011.
-000 Tornado Days: January
-000 Tornado Days: February
-004 Tornado Days: March
-015 Tornado Days: April
-050 Tornado Days: May
-115 Tornado Days: June
-114 Tornado Days: July
-051 Tornado Days: August
-022 Tornado Days: September
-006 Tornado Days: October
-001 Tornado Days: November
-000 Tornado Days: December
-378 Tornado Days: Total: 1980-2010

MISSOURI: NUMBER OF TORNADO DAYS BY MONTH: 1980-2010
Compiled and Researched by Mike Geukes. Copyright 2011.
-007 Tornado Days: January
-012 Tornado Days: February
-024 Tornado Days: March
-068 Tornado Days: April
-091 Tornado Days: May
-068 Tornado Days: June
-037 Tornado Days: July
-013 Tornado Days: August
-020 Tornado Days: September
-014 Tornado Days: October
-017 Tornado Days: November
-012 Tornado Days: December
-383 Tornado Days: Total: 1980-2010

NEBRASKA: NUMBER OF TORNADO DAYS BY MONTH: 1980-2010
Compiled and Researched by Mike Geukes. Copyright 2011.
-001 Tornado Days: January
-000 Tornado Days: February
-011 Tornado Days: March
-044 Tornado Days: April
-113 Tornado Days: May
-176 Tornado Days: June
-105 Tornado Days: July
-057 Tornado Days: August
-024 Tornado Days: September
-013 Tornado Days: October
-002 Tornado Days: November
-000 Tornado Days: December
-540 Tornado Days: Total: 1980-2010

NORTH DAKOTA: NUMBER OF TORNADO DAYS BY MONTH: 1980-2010
Compiled and Researched by Mike Geukes. Copyright 2011.
-000 Tornado Days: January
-000 Tornado Days: February
-001 Tornado Days: March
-004 Tornado Days: April
-037 Tornado Days: May
-120 Tornado Days: June
-115 Tornado Days: July
-065 Tornado Days: August
-006 Tornado Days: September
-002 Tornado Days: October
-001 Tornado Days: November
-000 Tornado Days: December
-351 Tornado Days: Total: 1980-2010

OHIO: NUMBER OF TORNADO DAYS BY MONTH: 1980-2010
Compiled and Researched by Mike Geukes. Copyright 2011.
-003 Tornado Days: January
-003 Tornado Days: February
-009 Tornado Days: March
-020 Tornado Days: April
-046 Tornado Days: May
-061 Tornado Days: June
-041 Tornado Days: July
-032 Tornado Days: August
-013 Tornado Days: September
-008 Tornado Days: October
-007 Tornado Days: November
-001 Tornado Days: December
-244 Tornado Days: Total: 1980-2010

OKLAHOMA: NUMBER OF TORNADO DAYS BY MONTH: 1980-2010
Compiled and Researched by Mike Geukes. Copyright 2011.
-001 Tornado Days: January
-008 Tornado Days: February
-053 Tornado Days: March
-087 Tornado Days: April
-143 Tornado Days: May
-084 Tornado Days: June
-021 Tornado Days: July
-019 Tornado Days: August
-037 Tornado Days: September
-029 Tornado Days: October
-021 Tornado Days: November
-005 Tornado Days: December
-508 Tornado Days: Total: 1980-2010

SOUTH DAKOTA: NUMBER OF TORNADO DAYS BY MONTH: 1980-2010
Compiled and Researched by Mike Geukes. Copyright 2011.
-000 Tornado Days: January
-000 Tornado Days: February
-002 Tornado Days: March
-008 Tornado Days: April
-051 Tornado Days: May
-120 Tornado Days: June
-098 Tornado Days: July
-051 Tornado Days: August
-012 Tornado Days: September
-004 Tornado Days: October
-000 Tornado Days: November
-000 Tornado Days: December
-346 Tornado Days: Total: 1980-2010

TEXAS PANHANDLE: NUMBER OF TORNADO DAYS BY MONTH: 1980-2010
(Consist of the NWS Amarillo and Lubbock County Warning Area)
Compiled and Researched by Mike Geukes. Copyright 2011.
-000 Tornado Days: January
-003 Tornado Days: February
-020 Tornado Days: March
-037 Tornado Days: April
-138 Tornado Days: May
-105 Tornado Days: June
-022 Tornado Days: July
-023 Tornado Days: August
-014 Tornado Days: September
-008 Tornado Days: October
-002 Tornado Days: November
-001 Tornado Days: December
-373 Tornado Days: Total: 1980-2010 (Still have double check)

WISCONSIN: NUMBER OF TORNADO DAYS BY MONTH: 1980-2010
Compiled and Researched by Mike Geukes. Copyright 2011.
-001 Tornado Days: January
-000 Tornado Days: February
-006 Tornado Days: March
-015 Tornado Days: April
-033 Tornado Days: May
-082 Tornado Days: June
-073 Tornado Days: July
-037 Tornado Days: August
-030 Tornado Days: September
-004 Tornado Days: October
-001 Tornado Days: November
-000 Tornado Days: December
-282 Tornado Days: Total: 1980-2010

I made a table for this data
http://supercellweather.com/tornadodata-days.htm

Will be adding more data below as time permits.

ILLINOIS: AVERAGE TORNADO DAYS BY MONTH: 1980-2010
Compiled and Researched by Mike Geukes. Copyright 2011.
-0.23 Tornado Days: January
-0.16 Tornado Days: February
-0.74 Tornado Days: March
-2.19 Tornado Days: April
-3.42 Tornado Days: May
-2.68 Tornado Days: June
-1.68 Tornado Days: July
-0.90 Tornado Days: August
-0.58 Tornado Days: September
-0.32 Tornado Days: October
-0.45 Tornado Days: November
-0.19 Tornado Days: December
-13.6 Tornado Days: Year

IOWA: AVERAGE TORNADO DAYS BY MONTH: 1980-2010
Compiled and Researched by Mike Geukes. Copyright 2011.
-0.00 Tornado Days: January
-0.00 Tornado Days: February
-0.58 Tornado Days: March
-1.68 Tornado Days: April
-2.84 Tornado Days: May
-4.26 Tornado Days: June
-3.10 Tornado Days: July
-1.81 Tornado Days: August
-0.71 Tornado Days: September
-0.26 Tornado Days: October
-0.13 Tornado Days: November
-0.03 Tornado Days: December
-15.39 Tornado Days: Year

KANSAS: AVERAGE TORNADO DAYS BY MONTH: 1980-2010
Compiled and Researched by Mike Geukes. Copyright 2011.
-0.03 Tornado Days: January
-0.13 Tornado Days: February
-1.23 Tornado Days: March
-2.16 Tornado Days: April
-5.19 Tornado Days: May
-5.13 Tornado Days: June
-2.68 Tornado Days: July
-1.45 Tornado Days: August
-0.90 Tornado Days: September
-0.90 Tornado Days: October
-0.65 Tornado Days: November
-0.06 Tornado Days: December
-19.8 Tornado Days: Year

MICHIGAN: AVERAGE TORNADO DAYS BY MONTH: 1980-2010
Compiled and Researched by Mike Geukes. Copyright 2011.
-0.03 Tornado Days: January
-0.00 Tornado Days: February
-0.16 Tornado Days: March
-0.58 Tornado Days: April
-1.26 Tornado Days: May
-2.06 Tornado Days: June
-2.03 Tornado Days: July
-1.35 Tornado Days: August
-0.65 Tornado Days: September
-0.32 Tornado Days: October
-0.10 Tornado Days: November
-0.00 Tornado Days: December
-08.6 Tornado Days: Year

NEBRASKA: AVERAGE TORNADO DAYS BY MONTH: 1980-2010
Compiled and Researched by Mike Geukes. Copyright 2011.
-0.03 Tornado Days: January
-0.00 Tornado Days: February
-0.35 Tornado Days: March
-1.42 Tornado Days: April
-3.65 Tornado Days: May
-5.68 Tornado Days: June
-3.39 Tornado Days: July
-1.65 Tornado Days: August
-0.77 Tornado Days: September
-0.42 Tornado Days: October
-0.06 Tornado Days: November
-0.00 Tornado Days: December
-17.4 Tornado Days: Year

OKLAHOMA: AVERAGE TORNADO DAYS BY MONTH: 1980-2010
Compiled and Researched by Mike Geukes. Copyright 2011.
-0.03 Tornado Days: January
-0.26 Tornado Days: February
-1.71 Tornado Days: March
-2.81 Tornado Days: April
-4.61 Tornado Days: May
-2.71 Tornado Days: June
-0.68 Tornado Days: July
-0.61 Tornado Days: August
-1.76 Tornado Days: September
-0.94 Tornado Days: October
-0.68 Tornado Days: November
-0.16 Tornado Days: December
-16.4 Tornado Days: Year




Mike

Jim Hunt
02-15-2011, 07:25 PM
Surprising the difference between Illinois (420) and Indiana (255). Not surprising since things tend to die out over here.

Good luck with your dad. My wife fell on the ice and broke her arm (Humerus) at the top falling on the a couple of weeks ago. Good news is no surgery. The bad news is it right at the top so no cast, just a sling for 6 weeks.

James Gustina
02-15-2011, 07:35 PM
Thanks for putting this up Mike and I hope your dad starts healing fast.

I'm not too surprised with the Ohio stats. Tornadoes are rare enough, and I'm surprised that we even average 8 tornado days a year (give or take).

Jessica Syverson
02-15-2011, 07:51 PM
Thanks for posting this Mike! Very interesting. I didn't realize ND got that many tornadoes. I guess I missed all of them growing up because I didn't see one until I moved to MN.

Melissa Jablonski
02-17-2011, 03:12 PM
Surprising the difference between Illinois (420) and Indiana (255). Not surprising since things tend to die out over here.

Good luck with your dad. My wife fell on the ice and broke her arm (Humerus) at the top falling on the a couple of weeks ago. Good news is no surgery. The bad news is it right at the top so no cast, just a sling for 6 weeks.

A lot of our severe weather is ongoing when it gets here. I guess it uses up it's instability. Mike I hope your dad gets better soon.