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SHERIDAN, WYOMING and the BIG HORN MOUNTAINS-Image Is Updating
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Sheridan, WY, current
weather

Last Manual Page Changes Made On 12/19/14

Last Auto Update 2:38a 12/20/14

The Tabular Data Between the Fire Danger Image and the Lower Ticker (Opposite) are Manually Updated Frequently-Usually At Least Daily Except January. Table and Current Precipitation Will Usually be Reported Daily By 9:30 a.m. MST/MDT.

All Other Data (except sky condition above) are Updated Automatically 24/7/365 Every 5 Minutes Including Precipitation. The Automatic Rain Gauge Has a Winter Heater Which Will Show Current Precipitation Readings Except During Extremely Cold, Windy, and Dry Snow Conditions. Next Day/Later Corrections will Often be Made.

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My Independent Precipitation Expectations, if Any (90% accurate when given-precipitation may only be a trace, 81% accurate for measureable precipitation).
Precipitation Not Expected.
(Date, if given, may change as time approaches.)
 
 
Station  Forecast

 
Snow, Precipitation, Fire Danger, and Drought Information

For afternoon of day indicated.  Updated about 1:10 PM.
2014 Temperature Deviation From Normal (Degrees F); 2013 -0.4 0.9
Sheridan Keetch-Byram Drought Index (KBDI) 0=Wettest, 800=Driest; Adjective Rating 252 Mild
Big Horn Mountains Approx. Avg. Snow Depth (Inches) as of 12/19/14 & Last Year/Avg. 17.3 20.3/18.3
Sheridan Snow Depth as of 12/19/14 (Inches) & Last Year/50+ Year Average 4.1 3.1/2.5
Sheridan 24 Hour Snowfall (Inches) Through 8:00 AM Today 0.0
Season (7/1-6/30) to Date Snowfall (Inches) Through 12/18/14 & Percent of Average 28.9 147%
Average Season (7/1-6/30) to Date Snowfall (Inches)-Through 12/18/14 19.7
Evapotranspiration On EOS (Inch) EOS
Precipitation Year to Date (Inches) Through 12/18/14 and Normal 14.68 13.82
November Precipitation (Inches) & Percent of Normal 1.44 197%
Normal November Precipitation (Inches) 0.73
2014 Precipitation Through November (Inches) & Percent of Normal 14.26 106%
Normal Annual Precipitation Through November (Inches) 13.51
Wettness/Dryness & Current Trends (SPI) 1 Yr. & 4 Yr. (+3.00=Wettest, -3.00=Driest) 1.27 dn 0.34 dn
Precipitation Deficit 1999 Through 2013 (Inches) -7.00
 
 
 
 
 
Current Weather at Sheridan ,WY

Current Outside Temperature Outside Temp History Outside Dewpoint Outside Humidity


Dewpoint History Outside Humidity History


Current Wind Direction Current Wind Speed Current Wind Chill Current THW Index


Wind Speed History Hi Wind Speed History


Barometer(SL) History Temperature at Console Storm Rain Total Current Rain Rate


Precipitation History Today's Precipitation Monthly Total Precipitation Yearly Total Precipitation


Soil Moisture At 8 Inches-Unirrigated Soil Temperature At 8 Inches-Unirrigated

Temperature
28.7F
Humidity
75%
Dewpoint
21.8F
Wind
SSE at 0.0 mph
Barometer(SL)
1017.6  mb & Steady
Today's Precipitation
0.00  in
Precipitation Rate
0.00  in/hr
Storm Total
0.00  in
Monthly Precipitation
0.42  in
Yearly Precipitation
14.68  in
Wind Chill
28.7F
THW Index
28.3F
Heat Index
28.3F
Today's Highs/Lows

High Temperature

Low Temperature

28.8F   at   2:33a

25.3F  at    12:00a

High Humidity

Low Humidity

81%    at  12:00a

75%   at   2:35a

High Dewpoint

Low Dewpoint

22.0F   at   1:03a

20.0F  at   12:00a

High Wind Speed

5.0 mph   at   1:25a

High Barometer(SL)

Low Barometer(SL)

1018.1 mb   at  12:29a

1017.3 mb  at   1:29a

High Rain Rate

0.00 in/hr   at  ----

Low Wind Chill

25.0F   at  12:00a

High Heat Index

29.0F   at   2:28a



Sheridan, Wyoming Area Climate Data
Normal and Average Climate Data Normal Average
Big Horn Mountains Approx. Avg. Annual Snowfall (Inches)-Only Eight Years In Average 150
Big Horn Mountains Date Of Maximum Snow Depth 4/4
Sheridan Annual Snowfall (Inches) 63.6 69.2
Sheridan Date Of Maximum Snow Depth 2/10 1/31
Sheridan Amount (Inches) Of Snowfall Per Event 1.7
Sheridan Annual Precipitation (Inches) 14.08 15.15
Sheridan Annual Temperature (F) 45.9 44.6
Sheridan First Freeze (32 degrees)-National Weather Service Data At Airport 9/20
Sheridan Last Freeze (32 degrees)-National Weather Service Data At Airport 5/19
Sheridan Yearly Wind Speed (MPH)-National Weather Service Data At Airport (No Trees) 7.3
Sheridan Yearly Wind Speed (MPH) At This Location-Last Seven Years Only (With Trees) 1.7
Sheridan's Windiest Month Is April-(MPH) National Weather Service At Airport (No Trees) 9.8

Notes:  Big Horn Mountains snow information is derived from U.S. Government SNOTEL measurments.  Sheridan snow measurements are derived from a combination of NWS (National Weather Service), Cooperator and, for more than a decade, my measurements.  Sheridan precipitation and annual temperatures are derived from the same sources as the snowfall.  Where my measurments have existed for several years, they are used in lieu of any other records for that period of time.  In some cases, data from only NWS as well as records including my data, may both be shown for comparative purposes.  Averages include all data collected.  Normals are averages of 30 year periods which end at the end of the last decade.  I.E. the current normal period began in 1981 and ended in 2010. Fire Danger computations are made at 12:00 Noon Mountain Time for the afternoon of the current day. They should only be used for general information as values can change rapidly depending on specific locations and especially rapidly changing wind conditions. Open terrain with higher wind speeds may raise ratings by an entire rating category.
EOS=End of Season.