Climatological Report (Annual) Issued by NWS Billings, MT
000
CXUS55 KBYZ 011910
CLABIL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
1210 PM MST FRI JAN 01 2021
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...THE BILLINGS MT CLIMATE SUMMARY FOR THE YEAR OF 2020...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1934 TO 2020
WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
................................................
TEMPERATURE (F)
RECORD
HIGH 108 07/14/2002
LOW -38 02/15/1936
HIGHEST 102 09/05
LOWEST -11 01/15
AVG. MAXIMUM 60.6 59.5 1.1
AVG. MINIMUM 37.5 36.8 0.7
MEAN 49.1 48.2 0.9
DAYS MAX >= 90 39 11.0
DAYS MAX <= 32 35 -2.0
DAYS MIN <= 32 152 14.0
DAYS MIN <= 0 5 -8.5
PRECIPITATION (INCHES)
RECORD
MAXIMUM 26.81 1978
MINIMUM 6.86 2012
TOTALS 13.24 13.66 -0.42
DAYS >= .01 90 -6.5
DAYS >= .10 34 -4.1
DAYS >= .50 8 2.8
DAYS >= 1.00 2 1.1
SNOWFALL (INCHES)
RECORDS
TOTAL 127.9 1955
TOTALS 60.4 55.0 5.4
DAYS >= TRACE 72 39.0 33.0
DAYS >= 1.0 20 17.0 3.0
GREATEST
SNOW DEPTH 9 10/19
DEGREE DAYS
HEATING TOTAL 6473 6781 -308
COOLING TOTAL 761 637 124
FREEZE DATES
RECORD
EARLIEST 09/04/1962
LATEST 06/13/1969
EARLIEST 10/16
LATEST 04/17
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WIND (MPH)
AVERAGE WIND SPEED 11.2
RESULTANT WIND SPEED/DIRECTION 5/260
HIGHEST WIND SPEED/DIRECTION 55/270 DATE 08/03
HIGHEST GUST SPEED/DIRECTION 67/270 DATE 08/03
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 33 MIXED PRECIP 0
HEAVY RAIN 6 RAIN 16
LIGHT RAIN 88 FREEZING RAIN 1
LT FREEZING RAIN 1 HAIL 7
HEAVY SNOW 5 SNOW 17
LIGHT SNOW 70 SLEET 2
FOG 81 FOG W/VIS <= 1/4 MILE 21
HAZE 24
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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