212
CDUS45 KTFX 111010
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
410 AM MDT FRI MAY 11 2012
...............................
..THE HELENA MT CLIMATE SUMMARY FOR MAY 10 2012
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1866 TO 2012
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 56 1226 AM 88 1940 66 -10 61
MINIMUM 33 1154 PM 23 1946 39 -6 40
AVERAGE 45 52 -7 51
PRECIPITATION (IN)
YESTERDAY 0.00 1.45 1914 0.06 -0.06 0.00
MONTH TO DATE 0.12 0.45 -0.33 0.83
SINCE OCT 1 4.82 4.25 0.57 5.71
SINCE JAN 1 3.43 2.68 0.75 3.16
SNOWFALL (IN)
YESTERDAY 0.0 12.5 1967 0.1 -0.1 0.0
MONTH TO DATE 0.0 0.5 -0.5 0.0
SINCE MAR 1 1.4 10.4 -9.0 4.0
SINCE JUL 1 40.1 37.7 2.4 36.4
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 20 13 7 14
MONTH TO DATE 163 142 21 163
SINCE MAR 1 1387 1635 -248 1827
SINCE JUL 1 6507 7196 -689 7611
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
..............................................................
WIND (MPH)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 14.0
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 45 100 AM
LOWEST 13 100 PM
AVERAGE 29
......................................................
THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 87 1993
MINIMUM TEMPERATURE (F) 39 25 1968
SUNRISE AND SUNSET
MAY 11 2012...........SUNRISE 558 AM MDT SUNSET 851 PM MDT
MAY 12 2012...........SUNRISE 557 AM MDT SUNSET 852 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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