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Montana, Eastern Teton

Public Information Statement

Statement as of 10:13 AM MDT on August 01, 2014


... July 2014 and October-July water year weather summary for north
central and southwest Montana...

July 2014 temperatures were generally above normal across the
region. Areas across Blaine and Fergus counties were as much as four
degrees above normal, while the Three Forks area was close to normal.
The warmest parts were across central Chouteau, southern Blaine, and
Fergus counties, where temperature averages were as high as 74.3f at
little bullwhacker creek RAWS. The warmest temperature was 100f at
Loma on the 31th. Havre recorded 14 days of 90f or warmer, which was
4 more days than normal in July. Great Falls had 11 days as such, or
three more than normal. The coolest temperature was 27f at Wisdom on
the 26th. The coolest average monthly temperatures were 57.5f at
Gates Park and 58.0f at Elk Park.

For precipitation, rainfall amounts were quite variable across the
region with most areas on the dry side. The heaviest amounts were in
the Little Belt Mountains and over northern Blaine County. The
highest amounts reported were 2.15 inches at Turner and 2 inches at
deadman snotel. Severe convection occurred on seven days during the
month, which was one day more than normal. Golf Ball size hail fell
on the third near Loma, but winds were the larger severe threat.
Gusts reached 75 mph near fort Belknap on the 6th, 67 mph at Chester
on the 11th, 64 mph near Fort Benton on the 23rd, 62 mph at Havre on
the 24th and 64 mph at Logan Pass on the 30th.

Generally, winds continued to average below normal speeds. Of
Airport locations, Cut Bank had the strongest monthly average of 9.4
mph, which was below the long-term average. The windiest locations
were at fort Belknap (11.8 mph) and Deep Creek RAWS (13.4 mph). The
highest gust during the month was 88 mph at Logan Pass on the 19th
and 75 mph from a thunderstorm near fort Belknap on the sixth. High
winds prevailed across north central Montana on the 24th and 25th.
At Cut Bank, the average daily speed was 25.1 mph on the 25th. At
Lewistown, their average daily speed of 17.9 mph was the windiest
July day since 1968.

Average temperature... degrees fahrenheit...
             Jul norm rank Oct-Jul norm rank
Bozeman... ... 68.3..67.0... 25th warmest 38.3... .41.6... 37th coolest
Cut Bank... ..67.6..64.6... 12th warmest 36.7... .38.6... 33rd coolest
Dillon... ... .68.0..65.7... 16th warmest 39.4... .39.4... 34th coolest
Great Falls..70.4..67.4... 41st warmest 39.4... .41.2... 16th coolest
Havre... ... ..71.2..69.2... 38th warmest 37.7... .39.6... 46th coolest
Helena... ... .73.3..70.0 ... 6th warmest 41.5... .41.8... 40th warmest
Lewistown... .69.3..65.5... 9th warmest 37.5... .39.6... 24th coolest
W yellowston.58.9..58.6... 37th coolest 30.5... .30.7... 26th coolest

Precipitation... inches...
              Jul norm Oct-Jul norm
Bozeman... ... .0.38..1.12... 15th driest 9.61... 11.92... 15th driest
Cut Bank... ... 0.42..1.28... 29th driest 11.90... .8.47... 15th wettest
Dillon... ... ..0.63..1.25... 25th driest 6.58... .8.60... 19th driest
Great Falls... 0.78..1.50... 43rd driest 14.12... 11.76... 29th wettest
Havre... ... ... 0.26..1.64... 13th driest 8.65... .8.97... 54th driest
Helena... ... ..0.56..1.19... 43rd driest 7.75... .8.92... 16th driest
Lewistown... ..0.92..1.93... 27th driest 11.10... 13.77... 11th driest
W Yellowstone.0.65..1.74... 18th driest 20.84... 19.09... 24th wettest

Average wind speed... mph...
              Jul norm rank Oct-Jul norm rank
Bozeman... ... .5.5... .5.9... 5th calmest 6.0... . 5.5... 25th calmest
Cut Bank... .. 9.4... 10.3... 16th calmest 13.0... .13.1... 31st calmest
Dillon... ... ..7.5... 7.4... 21st calmest 9.8... . 9.2... 20th windiest
Great Falls.. 8.2... 9.8... 8th calmest 10.9... .12.5... 2nd calmest
Havre... ... .. 9.7... .9.0... 15th windiest 10.3... .10.1... 23rd windiest
Helena... ... . 6.4... .6.9... 9th calmest 6.7... . 6.7... 18th calmest
Lewistown... . 8.2... 7.6... 21st windiest 9.4... . 9.5... 27th calmest
W Yellowstone 5.1

Temperature and precipitation records for Bozeman began in 1935, Cut
Bank began in 1903, Dillon began in 1939, Great Falls began in 1891,
Havre and Helena began in 1880, Lewistown began in 1896, and West
Yellowstone began in 1905. Wind records at Bozeman and Dillon began
in 1948, Cut Bank and Lewistown in 1938, Great Falls in 1939, Havre
in 1889, Helena in 1880 and West Yellowstone in 2010. The normal
period for all elements is 1981 to 2010.

These data are preliminary and have not undergone final qc by ncdc.
Therefore these data are subject to revision. Final and certified
climate data can be accessed at the National climatic data center at
http://www.Ncdc.NOAA.Gov


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