Preliminary
Wyoming Monthly Climatology
June 2005
Statewide Summary
Graphs show that during the month of June, temperatures ranged below normal over most of Wyoming except for above normal readings over the northeast corner of the state. Precipitation was general above normal over the border regions of the state but much below normal over the interior of Wyoming. Modeled soil moisture showed a slow drying trend over some regions of the Wyoming Rockies.
Range and pasture conditions improved 10% during June at 74 percent good or excellent rating. Last year on this date (1 July),
only 13 percent was rated good and the 5-year average was 24 percent. The end of June streamflow (7-day average) was near or above normal for most stations with the exception of below normal readings over northeastern Wyoming. Overall, the drought monitor map shows slight improvement over last month over central and northeastern Wyoming.
Weather Summary: For the week ending Friday, June 3rd, temperatures were below normal across State. Temperatures ranged from 1.2°F below normal in Jackson to 8.9°F below normal in Newcastle. The high temperature was 79°F in Archer and Torrington and the low was 28°F in Afton. Late week storms brought widespread precipitation especially in southern areas of the State. Chugwater had the most precipitation with 1.70 inches followed by Afton with 1.62 inches, Archer with 1.58 inches, and Wheatland with 1.57 inches. Additional rain and snow fell late Friday into Saturday particularly in the Southeast.
Weather Summary: For the week ending Friday, June 10th, temperatures were below normal across State. Temperatures ranged from 2.1°F below normal in Chugwater to 9.4°F below normal in Evanston. Uinta County is behind on planting oats and barley because of rain and cold temperatures. Heavy frost impacted alfalfa in Sweetwater County. The high temperatures of the week were 89°F in Newcastle and Torrington and the low was 23°F in Big Piney. Widespread storms brought more precipitation, especially in the Southeast. Archer had the most precipitation with 3.49 inches followed by Chugwater with 2.36 inches, Cheyenne with 2.33 inches, and Laramie with 2.28 inches.
Weather Summary: For the week ending Friday, June 17th, temperatures were below normal across State. Temperatures ranged from 0.7°F below normal in Sheridan to 7.1°F below normal in Chugwater. The high temperature of the week was 93°F in Greybull and the low was 28°F in both Big Piney and Jackson. Warmer, dry weather helped fieldwork and crop growth. Redbird had the most precipitation with 2.64 inches followed by Torrington with 2.50 inches, Archer with 1.67 inches, and Cheyenne with 1.49 inches.
Weather Summary: For the week ending Friday, June 24th, temperatures were above normal across State. Temperatures ranged from 0.6°F above normal in Jackson to 9.4°F above normal in Sheridan. The high temperature was 99°F in Worland and the low was 29°F in Jackson. Dry weather continued. Fire danger increased in some areas. Sundance had the most precipitation with 0.52 inches followed by Worland with 0.38 inches, and Rawlins with 0.35 inches.
Weather Summary: For the week ending Friday, July 1st, temperatures
ranged from 3.0 degrees below normal in Worland to 3.0 degrees above
normal in Jackson. The high temperature was 94 in Torrington and the
low was 34 in Big Piney. Sheridan had the most precipitation with 1.47
inches followed by Redbird with 0.56 inch and Wheatland with 0.55 inch.
June, typically the month with the severest weather was no exception this year:
Preliminary Severe Weather Reports: reference
1 1938 TORNADO 2 SW LOVELL BIG HORN WY 4482 10842 SHERIFFS OFFICE AND UNTRAINED SPOTTER REPORTED TORNADO SW SIDE OF LOVELL. (RIW)
1 1940 TORNADO 2 SE EMBLEM BIG HORN WY 4449 10836 PUBLIC...INCLUDING UNTRAINED SPOTTERS AND SHERRIFS DEPUTY...REPORTED TORNADO...ROPE LIKE IN NATURE. (RIW)
1 0903 175H 1 S POWELL PARK WY 4478 10874 SHERIFF DEPUTY REPORTED GOLFBALL SIZE HAIL OUTSIDE RESIDENCE - RELAYED BY SHERIFFS OFFICE. (RIW)
(http://www.crh.noaa.gov/news/display_story.php?wfo=riw&sid=934)
1 1920 100H BYRON BIG HORN WY 4480 10851 UNTRAINED SPOTTER AND POLICE CHIEF REPORTED QUARTER SIZE HAIL. (RIW)
1 2007 175H BURLINGTON BIG HORN WY 4445 10843 SHERIFFS OFFICE RELAYED REPORT OF GOLFBALL SIZE HAIL IN BURLINGTON. (RIW)
1 2145 75H 3 ESE SHERIDAN SHERIDAN WY 4477 10690 (BYZ)
1 2340 60W 8 W LTNG FLAT CAMPBELL WY 4499 10520 (UNR)
6 1925 75H 3 SSE LANDER FREMONT WY 4279 10871 (RIW)
6 1943 58W 5 W RIVERTON FREMONT WY 4304 10851 (RIW)
6 1950 UNK 13 WSW RIVERTON FREMONT WY 4296 10865 TREE BLOWN DOWN (RIW)
6 2145 74W 28 W SHERIDAN SHERIDAN WY 4479 10753 BURGESS JUNCTION RAWS (BYZ)
6 2218 66W CHEYENNE LARAMIE WY 4115 10479 (CYS)
6 2310 60W GILLETTE CAMPBELL WY 4428 10552 (UNR)
6 2350 100H 2 ENE WESTON CAMPBELL WY 4464 10530 40-50 MPH WIND GUST (UNR)
6 2348 UNK 3 SE WESTON CAMPBELL WY 4460 10529 TREE DAMAGE (UNR)
7 0010 175H 6 NE WESTON CAMPBELL WY 4470 10525 (UNR)
7 0139 UNK 7 W BURNS LARAMIE WY 4119 10449 SHINGLES BLOWN OFF ROOF AT HILLSDALE (CYS)
7 1809 59W 1 N PINEDALE SUBLETTE WY 4288 10986 (RIW)
7 1850 125H 12 N ARMINTO NATRONA WY 4335 10726 (RIW)
7 1827 UNK BOULDER SUBLETTE WY 4272 10963 ROOFS BLOWN OFF OF SMALL BUILDINGS (RIW)
7 2140 100H 24 W GILLETTE CAMPBELL WY 4428 10600 (UNR)
7 2200 100H 6 E MULE CRK JUNC NIOBRARA WY 4338 10410 (CYS)
7 2245 100H 15 NE RECLUSE CAMPBELL WY 4493 10548 (UNR)
7 2245 60W 15 NE RECLUSE CAMPBELL WY 4493 10548 (UNR)
7 2230 TOR 10 NE RECLUSE CAMPBELL WY 4488 10556 TORNADO REPORTED ON GOUND FROM 430 PM MDT THROUGH 440 PM MDT 10 MILES NORTHEAST OF RECLUSE. (UNR)
16 1908 75H HOBACK JUNCTIO TETON WY 4332 11073 (RIW)
16 1930 175H JACKSON TETON WY 4347 11076 (RIW)
16 2204 88H 3 S LARAMIE ALBANY WY 4127 10558 (CYS)
20 0225 100H 16 N GILLETTE CAMPBELL WY 4451 10552 (UNR)
20 0305 200H 33 ESE BUFFALO JOHNSON WY 4416 10610 MULTIPLE HAILSTONES RANGING IN SIZE FROM 1.75 TO 2.25 INCHES FELL ALONG INTERSTATE 90 AT MILEPOST 89 WHERE THE POWDER RIVER CROSSES THE INTERSTATE. (RIW)
20 0308 88H 1 E WESTON CAMPBELL WY 4463 10531 (UNR)
20 0340 200H 5 W SPOTTED HORSE CAMPBELL WY 4472 10594 (UNR)
20 0430 100H 10 N HULETT CROOK WY 4483 10460 1.25 INCHES RAIN IN 30 MINUTES (UNR)
20 0435 75 8 E WESTON CAMPBELL WY 4463 10517 (UNR)
20 0530 80W COLONY CROOK WY 4491 10418 (UNR)
20 0638 100H 25 NE WESTON CROOK WY 4489 10497 (UNR)
20 0655 100H DEVILS TOWER CROOK WY 4460 10473 (UNR)
20 0815 100H 10 SW BEULAH CROOK WY 4443 10423 (UNR)
20 1230 100H 4 W NEW HAVEN CROOK WY 4475 10493 (UNR)
On June 21, 2005, a severe thunderstorm moved into Yellowstone National Park producing rain, hail, gusty winds, and lightning activity. During the course of this storm, a lightning bolt struck near the Old Faithful Geyser, causing several injuries, one critical.
23 2127 75H 3 E BURGESS JUNCTI SHERIDAN WY 4477 10746 (BYZ)
23 2318 80W 8 S I90 EXIT 77 JOHNSON WY 4410 10635 (RIW)
23 2342 60W I90 EXIT 88 JOHNSON WY 4421 10616 (RIW)
24 0015 65W 15 SE GILLETTE CAMPBELL WY 4413 10530 (UNR)
24 0040 75H 10 SE GILLETTE CAMPBELL WY 4418 10538 (UNR)
24 2053 75H 24 N CHEYENNE LARAMIE WY 4149 10479 (CYS)
24 2140 75H 9 N CHEYENNE LARAMIE WY 4128 10479 (CYS)
24 2154 88H GUERNSEY PLATTE WY 4227 10474 REPORT FROM MILITARY PERSONNEL AT CAMP GUERNSEY (CYS)
24 2205 75H 13 NW BURNS LARAMIE WY 4132 10454 SOME CROP DAMAGE. (CYS)
24 2200 72W GUERNSEY PLATTE WY 4227 10474 REPORT FROM MILITARY PERSONNEL AT CAMP GUERNSEY (CYS)
24 2210 88H WRIGHT CAMPBELL WY 4375 10550 (UNR)
24 2214 100H 6 W Ft LARAMIE GOSHEN WY 4221 10463 (CYS)
24 2235 60W N RENO JUNCTION CAMPBELL WY 4376 10548 (UNR)
24 2250 75H 8 NNW PINE BLUFFS LARAMIE WY 4129 10413 (CYS)
24 2305 175H LANCE CREEK NIOBRARA WY 4302 10464 (CYS)
25 0000 100H 10 S ROCKYPOINT CAMPBELL WY 4476 10510 (UNR)
25 0005 75H 31 N MOORCROFT CROOK WY 4472 10495 (UNR)
25 0025 75H 15 NNE LUSK NIOBRARA WY 4296 10434 (CYS)
25 0040 68W ECHETA CAMPBELL WY 4445 10586 (UNR)
25 0110 75H 8 W LTNG FLAT CAMPBELL WY 4499 10520 (UNR)
25 0113 88H 5 N CHUGWATER PLATTE WY 4183 10482 (CYS)
25 0113 75H 5 SSW LTNG FLAT CROOK WY 4492 10507 (UNR)
25 2148 100H 2 N LANCE CREEK NIOBRARA WY 4305 10464 (CYS)
25 2211 75H 8 S TORRINGTON GOSHEN WY 4195 10418 (CYS)
25 2300 75H 8 E LANCE CREEK NIOBRARA WY 4302 10448 (CYS)
25 2308 88H 27 NE LUSK NIOBRARA WY 4304 10408 (CYS)
25 2315 88H GILLETTE CAMPBELL WY 4428 10552 (UNR)
26 2140 100H 15 N RECLUSE CAMPBELL WY 4499 10570 LASTED 25 MINUTES (UNR)
28 2140 61W 20 N BAGGS CARBON WY 4133 10766 COW CREEK RAWS SITE (CYS)
28 2230 59W SARATOGA CARBON WY 4145 10681 WINDS OCCURRED FROM 430 - 440 PM (CYS)
29 0120 125H 10 E SHERIDAN SHERIDAN WY 4479 10675 (BYZ)
key: All Times UTC, Wind Gusts in MPH, Hail Sizes in 1/100 of an Inch (75 = 0.75")
Cheyenne
The average temperature in June was 61.7°F. This is 0.2°F warmer than normal for the month. The maximum temperature for the month was 88°F on the 22nd and the minimum of 39°F occurred on the 11th and 14th. Precipitation total of 4.85 inches is 229% of normal and represents the 2nd wettest June since 1873. The wettest day in the was on the 3rd to 4th (2.28 inches fell). Monthly snowfall totaled T. For the season that started 1 July 2004, 62.1 inches fell. This is 1.8 inches above normal.
past 30-days precipitation
past 30-days temperature
past 90-days precipitation
past 90-days temperature
past 365-days precipitation
past 365-days temperature
Laramie
The average temperature in June was 55.5°F. This is 1.6°F cooler than normal for the month. The maximum temperature for the month was 85°F on the 21st and the minimum of 31°F occurred on the 11th. Another record high of 79°F occurred on the 22nd. Precipitation total of 3.29 inches is 247% of normal and represents the 3rd wettest June since 1948. The wettest day in the was on the 3rd to 4th (2.27 inches fell). During the morning of the 4th, between 2 inches to 12 inches fell across Laramie from north to south. I-80 was closed most of the morning due to poor visibility and heavy snow. This was one of the latest heaviest snows to occur in the Laramie Valley.
Rawlins
The average temperature in June was 57.9°F. This is 3.4°F cooler than normal for the month. The maximum temperature for the month was 91°F on the 21st and the minimum for the month was 30°F occurring on the 2nd. Precipitation total of 0.78 inch is 84% of normal. The wettest day in the was on the 22nd (0.30 inch fell).
Rock Springs
The average temperature in June was 57.8°F. This is 1.8°F cooler than normal for the month. The maximum temperature for the month was 89°F on the 21st and the minimum for the month was 30°F occurring on the 8th. Precipitation total of 0.70 inch is 108% ofnormal. The wettest day in the was on the 28th (0.26 inch fell).
Evanston
The average temperature in June was 54.0°F. This is 1.9°F cooler than normal for the month. The maximum temperature for the month was 84°F on the 21st and the minimum for the month was 28°F occurring on the 8th. Precipitation total of 1.60 inches is 167% of normal. The wettest day in the was on the 12th (0.39 inch fell).
Big Piney
The average temperature in June was 51.9°F. This is 3.1°F cooler than normal for the month. The maximum temperature for the month was 87°F on the 21st and the minimum for the month was 23°F occurring on the 8th. Precipitation total of 0.94 inch is 131% of normal. The wettest day in the was on the 12th (0.50 inch fell).
Lander
The average temperature in June was 61.5°F. This is 2.2°F cooler than normal for the month. The maximum temperature for the month was 94°F on the 21st (tied for record high for the day) and the minimum for the month was 33°F occurring on the 2nd. Precipitation total of 0.31 inch is 27% of normal. Snowfall since 1 July 04 is 87.3 inches which is 15.6 inches above average.
past 30-days precipitation
past 30-days temperature
past 90-days precipitation
past 90-days temperature
past 365-days precipitation
past 365-days temperature
Riverton
The average temperature in June was 62.9°F. This is 0.8°F cooler than normal. The maximum temperature for the month was 95°F on the 21st and the minimum for the month of 35°F occurred on the 2nd. Precipitation total of 0.29 inch is 25% of normal. A record trace of snow fell on the 7th and for the season (since 1 July 04) 37.5 inches has occurred which is 6.4 inches above average.
Worland
The average temperature in June was 63.6°F. This is 3.8°F cooler than normal for the month. The maximum temperature for the month was 99°F on the 21st and the minimum for the month of 38°F occurred on the 10th. Precipitation total of 0.72 inch is 65% of normal. The wettest day in the was on the 24th (0.38 inch fell).
Sheridan
The average temperature in June was 66.8°F. This is 5.2°F Warmer than normal for the month. The maximum temperature for the month was 94°F on the 21st and the minimum for the month of 35°F occurred on the 10th. Precipitation total of 2.00 inches is 99% of normal. The wettest day in the was on the 26th (0.78 inch fell).
past 30-days precipitation
past 30-days temperature
past 90-days precipitation
past 90-days temperature
past 365-days precipitation
past 365-days temperature
Casper
The average temperature in June was 61.8°F. This is 0.9°F cooler than normal. The maximum temperature for the month was 95°F on the 20th, 21st and 22nd and the minimum for the month of 33°F occurred on the 11th (record for the day). Precipitation total of 0.41 inch is 29% of normal. Since 1 July 04, a total of 59.3 inches of snow has been recorded which is 26.6 inches below the seasonal average.
past 30-days precipitation
past 30-days temperature
past 90-days precipitation
past 90-days temperature
past 365-days precipitation
past 365-days temperature
Douglas
The average temperature in June was 63.2°F. This is 0.3°F cooler than normal for the month. The maximum temperature for the month was 96°F on the 21st and 22nd and the minimum for the month of 36°F occurred on the 11th. Precipitation total of 0.87 inch is 61% of normal. The wettest day in the was on the 12th-13th (0.59 inch fell).
Torrington
The average temperature in June was 66.1°F. This is 0.2°F cooler than normal for the month. The maximum temperature for the month was 96°F on the 22nd and the minimum for the month of 41°F occurred on the 14th. Precipitation total of 4.69 inches is 224% of normal and represents the 2nd wettest June since 1922. The wettest day in the was on the 12th-13th (1.89 inches fell).
Additional Summaries:
Buffalo:....average temperature 61.0°F, max for month 89°F (21st and 22nd), min for month 37°F (2nd and 10th), precip total (3.53 inches) of which 2.17 inches fell on the 12th-13th.
Cody:......average temperature 60.8°F, max for month 91°F (21st and 22nd), min for month 37°F (13th), precip total (1.51 inches) of which 0.59 inch fell on the 12th .
Gillette:.....average temperature 63.2°F, max for month 96°F (22nd), min for month 34°F (3rd), precip total (1.35 inches) of which 0.57 inch fell on the 12th-13th.
Greybull:..average temperature 64.7°F, max for month 98°F (21st), min for month 39°F (2nd), precip total (1.11 inches) of which 0.53 inch fell on the 7th.
Jackson:..average temperature 51.1°F, max for month 82°F (22nd), min for month 28°F (10th).
Yellowstone Lake:... average temperature 45.4°F, max for month 75°F (22nd), min for month 27°F (7th), precip total (2.94 inches) of which 0.70 inch fell on the 5th-6th.
Additional Stations (daily summary):
Buffalo
Gillette
Greybull
This information was compiled by the Wyoming State Climatologist, University of Wyoming. For more information, contact Jan Curtis at (307) 766-6659. For periodic updates, visit http://www.wrds.uwyo.edu. This site includes a searchable database for Wyoming climate and water. For additional daily and hourly climatology, click on historical at the bottom of the daily summary statistics. For Casper, Lander, and Riverton's Monthly F6 reports, see here and at the bottom of this webpage. Record daily temperatures are based on the period since 1948-9 for all cities unless otherwise noted.
To Wyoming Monthly Summaries Index Listing
