Climatological Report (Monthly)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
000
CXUS55 KBYZ 011146
CLMMLS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
545 AM MDT THU JUN 01 2023
...................................
...THE MILES CITY MT CLIMATE SUMMARY FOR THE MONTH OF MAY 2023...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1937 TO 2023
WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
................................................
TEMPERATURE (F)
HIGHEST 88 05/22
LOWEST 34 05/19
AVG. MAXIMUM 74.3 68.1 6.2
AVG. MINIMUM 48.3 42.9 5.4
MEAN 61.3 55.5 5.8
DAYS MAX >= 90 0
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
TOTALS 2.14 2.73 -0.59
DAYS >= .01 15
DAYS >= .10 5
DAYS >= .50 2
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.74 05/27 TO 05/27
DEGREE DAYS
HEATING TOTAL 146 310 -164
SINCE 7/1 7818 7485 333
COOLING TOTAL 38 15 23
SINCE 1/1 40 16 24
................................................
WIND (MPH)
AVERAGE WIND SPEED 8.8
HIGHEST WIND SPEED/DIRECTION 31/240 DATE 05/05
31/340 05/22
HIGHEST GUST SPEED/DIRECTION 49/180 DATE 05/24
AVERAGE RH (PERCENT) 62
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 10 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 7
LIGHT RAIN 18 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 13 FOG W/VIS <= 1/4 MILE 4
HAZE 4
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
THIS IS AN AUTOMATED...UNATTENDED WEATHER STATION AND MAY
UNDERESTIMATE WINTER PRECIPITATION.
...MAY 2023 MONTH IN REVIEW FOR MILES CITY...
BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR MILES CITY FOR MAY 2023. ALL TEMPERATURES ARE IN
DEGREES FAHRENHEIT AND ALL PRECIPITATION AMOUNTS ARE IN INCHES. NORMALS
ARE 30 YEAR AVERAGES CALCULATED FROM 1991 TO 2020. MONTHLY RANKINGS
FOR PRECIPITATION AND TEMPERATURES USE A PERIOD OF RECORD
THAT STARTED IN FEBRUARY 1937 AT THE MILES CITY AIRPORT.
NUMBERS DENOTED WITH AN * IS MISSING DATA IN THE CALCULATION.
...MILES CITY MONTHLY PRECIPITATION...
MONTH 2023 VALUES NORMALS DEPARTURE RANKING
MAY 2.14 2.73 -0.59 37TH WETTEST OUT OF 87 YEARS
(RECORD WETTEST WAS 9.35 IN 2011)
(WETTEST SINCE 2.58 IN 2021)
...MILES CITY MAY 2023 BROKEN OR TIED DAILY PRECIPITATION RECORDS...
NONE
NOTE: SINCE THE LATE 1990S...MILES CITY BECAME AN AUTOMATED AND UNATTENDED
WEATHER STATION. PRECIPITATION AMOUNTS IN THE WINTER MAY BE UNDERESTIMATED.
...MILES CITY AVERAGE TEMPERATURES...
MONTH 2023 VALUES NORMALS DEPARTURE RANKING
MAY 61.3 55.5 +5.8 TIED FOR THE 8TH WARMEST OUT OF 87 YEARS
(RECORD WARMEST WAS 64.8 IN 1958)
(WARMEST SINCE 61.7 IN 1994)
...MILES CITY AVERAGE HIGH TEMPERATURES...
MONTH 2023 VALUES NORMALS DEPARTURE RANKING
MAY 74.3 68.1 +6.2 TIED FOR THE 10TH WARMEST OUT OF 87 YEARS
(RECORD WARMEST WAS 80.3 IN 1958)
(WARMEST SINCE 74.8 IN 1994)
...MILES CITY MAY 2023 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...
NONE
...MILES CITY MAY 2023 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...
NONE
...MILES CITY AVERAGE LOW TEMPERATURES...
MONTH 2023 VALUES NORMALS DEPARTURE RANKING
MAY 48.3 42.9 +5.4 7TH WARMEST OUT OF 87 YEARS
(RECORD WARMEST WAS 50.0 IN 2018)
(WARMEST SINCE 50.0 IN 2018)
...MILES CITY MAY 2023 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...
NONE
...MILES CITY MAY 2023 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...
NONE
$$