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Mountain West Discussion


ValpoVike
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I'm thinking that if the current forecast temps verify, Thursday AM could be the coldest day in the Denver Metro since we moved here in August 2010, and if the winds verify, definitely the coldest with windchill. Anyone been here long enough/have the data to back that up, or not?

 

EDIT: Nope, looks like it was -20 at DEN on 12/30/14. Still wonder about the windchill, don't know where to get data for that.

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Looks like Denver (officially at DIA) hit -24 this morning.  That's the 3rd coldest daily low temp on record in December:

-25 on 12/22/1990

-25 on 12/24/1876

All-time coldest is -29 on 1/9/1875.

Also, Denver's coldest daily max temp on record in December is -8 on 12/21/1983 (high -8, low -21).  There's a slight chance of this being broken or tied today, but unfortunately I think it will warm up to around -5.

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A rancher friend of mine just north of Burlington CO observed a temp drop of 53 degrees (47 to -6) in 50 minutes yesterday afternoon on her home weather station. That struck me as a possible state record if it were official, but I can't find any CO state records like that. DEN broke the station record yesterday with a 42 degree 1-hour drop, and the national record is 58 degrees in Spearfish SD in 1943. Anyone have any info about what the CO state record is, or even if one exists? Would be cool to tell her that her place broke a record, even if unofficial.

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4 minutes ago, mayjawintastawm said:

A rancher friend of mine just north of Burlington CO observed a temp drop of 53 degrees (47 to -6) in 50 minutes yesterday afternoon on her home weather station. That struck me as a possible state record if it were official, but I can't find any CO state records like that. DEN broke the station record yesterday with a 42 degree 1-hour drop, and the national record is 58 degrees in Spearfish SD in 1943. Anyone have any info about what the CO state record is, or even if one exists? Would be cool to tell her that her place broke a record, even if unofficial.

From NWS Denver...although these are only the record calendar day, 2-day, and 3-day temp changes...as opposed to hours.

Yesterday made the list as the 3rd largest calendar day temp change (51 to -10), and yesterday & today was the 2nd largest 2-day temp change (51 to -24).

https://www.weather.gov/bou/denvertemperaturechanges

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The lowest wind chills on December 22nd were basically -34F in the city of Denver. As I said before, in the 16 years that I lived there, Denver International Airport never was -22 (air temperature).

Quote
...Denver County...
Denver Intl Airport          -40 F     0753 AM 12/22   39.85N/104.65W
2 SE Denver Intl Airport     -40 F     0753 AM 12/22   39.85N/104.65W
070e28150rws1rhs At Peoria S -34 F     0859 AM 12/22   39.77N/104.85W
Denver I-70 and I-225        -33 F     0833 AM 12/22   39.77N/104.83W
Denver I-70/I-270            -33 F     0928 AM 12/22   39.78N/104.90W
070e27635rws1rp1 At Monroe S -33 F     0936 AM 12/22   39.78N/104.95W
Denver I-70/Quebec           -32 F     0827 AM 12/22   39.78N/104.90W
070e27525rws1rhs At Brighton -32 F     0914 AM 12/22   39.78N/104.97W
070w27985rws1rhs - 0.3 Miles -32 F     0919 AM 12/22   39.78N/104.88W
070w27705rws1rhs At Dahlia S -31 F     0946 AM 12/22   39.78N/104.93W
070e27660rws1nec At Colorado -31 F     0956 AM 12/22   39.78N/104.94W
Denver I-25/University Blvd  -30 F     0554 AM 12/22   39.68N/104.96W
070e27805rws1nwc At Monaco S -30 F     0843 AM 12/22   39.78N/104.91W
Denver I-70/I-25             -30 F     0857 AM 12/22   39.78N/104.99W
0.2 Mi N Of I-225            -30 F     0857 AM 12/22   39.64N/104.91W
1 NNW Denver                 -30 F     0939 AM 12/22   39.76N/104.99W
070e27555rws1rp1 At York St  -30 F     1002 AM 12/22   39.78N/104.96W
070e27460rws1rhs At Washingt -29 F     0847 AM 12/22   39.78N/104.98W
070e27750rws1nwc At Holly St -29 F     0853 AM 12/22   39.78N/104.92W
070w28155rws1rhs At Peoria S -29 F     0948 AM 12/22   39.77N/104.85W
Denver I-70/Colorado Blvd    -29 F     0959 AM 12/22   39.78N/104.94W
Denver I-25/51st Ave         -28 F     0937 AM 12/22   39.79N/104.99W
Denver I-25/17th Ave         -26 F     0546 AM 12/22   39.74N/105.02W
Denver I-25/Alameda          -26 F     0856 AM 12/22   39.71N/105.00W
Denver I-25/6th Avenue       -25 F     0826 AM 12/22   39.73N/105.02W

 

 

Quote
...Arapahoe County...
3 S Arapahoe Park            -38 F     1000 AM 12/22   39.59N/104.69W
Buckley SFB                  -36 F     0758 AM 12/22   39.72N/104.75W
6.0 NW Deer Trail (UPR)      -36 F     0857 AM 12/22   39.68N/104.12W
Bennett                      -35 F     0425 AM 12/22   39.61N/104.51W
8 S Watkins                  -35 F     0715 AM 12/22   39.64N/104.57W
Centennial Airport           -34 F     0853 AM 12/22   39.57N/104.85W
3 NE Foxfield                -34 F     0950 AM 12/22   39.63N/104.75W
Dry Creek                    -33 F     0544 AM 12/22   39.58N/104.88W
Greenwood Village I-25/Orcha -31 F     0532 AM 12/22   39.61N/104.89W
Englewood                    -31 F     0545 AM 12/22   39.65N/104.98W
Aurora                       -31 F     0755 AM 12/22   39.59N/104.70W
Aurora                       -31 F     0850 AM 12/22   39.67N/104.82W
Foxfield                     -31 F     0855 AM 12/22   39.60N/104.80W
2 SSE Englewood              -30 F     0555 AM 12/22   39.61N/104.99W
AURORA                       -29 F     0449 AM 12/22   39.67N/104.80W
Aurora                       -29 F     0945 AM 12/22   39.72N/104.80W
Littleton                    -28 F     0620 AM 12/22   39.60N/105.00W
1.1 NE Highlands Ranch (CDPH -28 F     0645 AM 12/22   39.57N/104.96W
Aurora                       -28 F     0818 AM 12/22   39.69N/104.78W
Aurora                       -27 F     0822 AM 12/22   39.67N/104.79W
Strasburg                    -26 F     0930 AM 12/22   39.72N/104.28W

 

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