Climatological Report (Monthly)
Issued by NWS Billings, MT

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
989
CXUS55 KBYZ 011135
CLMSHR

CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
528 AM MDT SUN JUN 01 2025

...................................

...THE SHERIDAN WY CLIMATE SUMMARY FOR THE MONTH OF MAY 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1907 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART
                VALUE   DATE(S)   VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST           86   05/12
LOWEST            28   05/07
AVG. MAXIMUM    68.4               66.1     2.3
AVG. MINIMUM    39.6               38.7     0.9
MEAN            54.0               52.4     1.6
DAYS MAX >= 90     0
DAYS MAX <= 32     0
DAYS MIN <= 32     6
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
TOTALS          4.49               2.68    1.81
DAYS >= .01       14
DAYS >= .10       10
DAYS >= .50        3
DAYS >= 1.00       1
GREATEST
 24 HR. TOTAL   1.89   05/18 TO 05/19


DEGREE DAYS
HEATING TOTAL    339                394     -55
 SINCE 7/1      6782               7405    -623
COOLING TOTAL      5                  4       1
 SINCE 1/1         5                  4       1
................................................

WIND (MPH)
AVERAGE WIND SPEED              8.4
HIGHEST WIND SPEED/DIRECTION    41/310    DATE  05/12
HIGHEST GUST SPEED/DIRECTION    62/160    DATE  05/04
                                62/300          05/12

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                       7
LIGHT RAIN               18     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                2     SLEET                      0
FOG                      12     FOG W/VIS <= 1/4 MILE      2
HAZE                      1

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

&&

...MAY 2025 MONTH IN REVIEW FOR SHERIDAN...

BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR SHERIDAN FOR MAY 2025. 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 MAY 1934 AT OR NEAR THE SHERIDAN AIRPORT.

NUMBERS DENOTED WITH AN * IS MISSING DATA IN THE CALCULATION.

...SHERIDAN MONTHLY PRECIPITATION...

 MONTH   2025 VALUES  NORMALS    DEPARTURE  RANKING

MAY          0.05     2.68       -2.63      TIED FOR THE 30TH WETTEST OUT OF 119 YEARS
                                            (RECORD WETTEST WAS 1.43 IN 1915)
                                            (WETTEST SINCE 0.26 IN 2019)

...SHERIDAN MAY 2025 BROKEN OR TIED DAILY PRECIPITATION RECORDS...

NONE

...SHERIDAN AVERAGE TEMPERATURES...

 MONTH   2025 VALUES  NORMALS   DEPARTURE  RANKING

MAY             M      52.4         M      NOT AVAILABLE

...SHERIDAN AVERAGE HIGH TEMPERATURES...

 MONTH   2025 VALUES  NORMALS   DEPARTURE  RANKING

MAY             M      66.1         M      NOT AVAILABLE

...SHERIDAN MAY 2025 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

NONE

...SHERIDAN MAY 2025 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

NONE

...SHERIDAN AVERAGE LOW TEMPERATURES...

 MONTH   2025 VALUES  NORMALS   DEPARTURE  RANKING

MAY             M      38.7         M      NOT AVAILABLE

...SHERIDAN MAY 2025 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

NONE

...SHERIDAN MAY 2025 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

NONE

$$