Halloween Climatology For Grand Island, NE




Halloween Day Climatology -- Grand Island, NE

Not surprisingly, weather conditions on October 31st can vary dramatically from one year to the next. Just in the last 30 years, high temperatures in Grand Island have ranged from 23 to 81 degrees, and lows have ranged from 15 to 54 degrees (see below for more details). When it comes to precipitation, the day is typically dry, with only five instances of precipitation in the last 30 years, and only 18 days with precipitation in the past 116 years (16% of the time). Snowfall has been even rarer, with only two instances in the past 30 years, and only three in the past 116 years. By far the most significant Halloween snow event in the record book occurred in 1991 with 8.8 inches (the high temperature that day was only 23 degrees).

*Halloween 2011 featured well above-normal daytime temperatures and almost 100% sunshine, with an afternoon high of 72. Winds were a bit breezy from the south in the afternoon, with sustained speeds of 15-20 MPH and a peak gust of 28 MPH*



     
    Grand Island, Nebraska Daily Normals & All-Time Records for Oct. 31
       Max Temperature  Min Temperature   Precipitation  Snow
    30-Year Normals (1981-2010)

    58

    34

    0.04

    0.1

    10-Year Averages (2001-2010)

    55.2

    33.1

    0.00

    0.0

     Records (since 1895)

    81 in 1990, 1933

    12 in 1923

    0.79" in 1991

    8.8" in 1991

 

  • Since 1981, high temperatures on October 31 have ranged from 81 degrees (1990) to 23 degrees (1991)
  • Since 1981, low temperatures on October 31 have ranged from 15 degrees (1993) to 54 degrees (2001)
  • Since 1981, the high temperature has exceeded 70 degrees only five times (1990, 1999, 2001, 2008, 2011)
  • Since 1981, the low temperature has dipped below 20 degrees only three times (1991, 1993, 2002)

  • Since 1981, measurable precipitation has fallen only five times (led by 0.79-inch in 1991)
  • It has been 11 years since Grand Island recorded measurable precipitation on Halloween (0.10-inch in 2000)
  • Since 1981, snow has only fallen twice (8.8 inches in 1991 and 0.8 inches in 1993)
  • Compared to 30-year normals (1981-2010), high and low temperatures over the last 10 years have averaged 
    1-3 degrees colder, although this calculation is heavily influenced by a particulary cold day in 2002.

 

The Last Time _____ Happened On Halloween?

Last 80+ degree day: 81 in 1990

Last 70+ degree day: 72 in 2011

Last time the high temp was 40 or colder: 38 in 2006

Last time the high temp was 30 or colder: 26 in 2002

Last time the low temp was 20 or colder: 18 in 2002

Last time the low temp was 50 or warmer: 54 in 2001

Last time measurable rain fell (0.01 inch or more): 0.10 in 2000 

Last time snow fell (including Trace): 0.8-inch in 1993

 

Grand Island, Nebraska - 10 Year Climate Data 
(2002-2011) for Oct. 31
Date  Max Temperature   Min Temperature   Precipitation  Snow Weather  Conditions

10/31/2002

26

18

0.00

0.0

 

10/31/2003

43

34

0.00

0.0

 

10/31/2004

64

33

0.00

0.0

 

10/31/2005

59

36

0.00

0.0

 

10/31/2006

38

22

0.00

0.0

 

10/31/2007

56

33

0.00

0.0

 

10/31/2008

73

37

0.00

0.0

 

10/31/2009

65

31

0.00

0.0

 

10/31/2010

52

33

0.00

0.0

 

10/31/2011

72

26

0.00

0.0

sunny, a bit breezy
10-year Averages

54.8

30.3

0.00

0.0

 

10-Year Summary: Grand Island, Nebraska (2002-2010)
Highest maximum temperature: 73 degrees in 2008
Lowest minimum temperature: 18 degrees in 2002.

There has been NO precipitation on Halloween in the last 10 years

  

Despite these interesting facts, past historical data is not necessarily an indication of what the weather will actually be like for Halloween 2011.

Please check the latest forecast for your area regularly!


   For more climate related information, check out the following websites:

 

This page was composed by the staff at the National Weather Service in Hastings, Nebraska.

 



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