Climatological Report (Monthly)
Issued by NWS

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349
CXUS55 KBYZ 011219
CLMLVM


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
613 AM MDT MON MAY 1 2017

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

...THE LIVINGSTON MT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST            75   04/13
LOWEST             19   04/10
AVG. MAXIMUM     55.9              55.0     0.9
AVG. MINIMUM     31.7              29.1     2.6
MEAN             43.8              42.1     1.7
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32     13
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
TOTALS           2.34              1.77    0.57
DAYS >= .01        19
DAYS >= .10         8
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.47   04/24 TO 04/24

DEGREE_DAYS
HEATING TOTAL     628               689     -61
 SINCE 7/1       6573              6948    -375
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              12.4
HIGHEST WIND SPEED/DIRECTION    51/230    DATE  04/07
HIGHEST GUST SPEED/DIRECTION    62/230    DATE  04/07

AVERAGE RH (PERCENT)     61

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       7
LIGHT RAIN               21     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW               11     SLEET                      0
FOG                      17     FOG W/VIS <= 1/4 MILE      3
HAZE                      1

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

&&

...APRIL 2017 MONTH IN REVIEW FOR LIVINGSTON...

BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR LIVINGSTON FOR APRIL 2017. ALL TEMPERATURES ARE IN
DEGREES FAHRENHEIT AND ALL PRECIPITATION AMOUNTS ARE IN INCHES. NORMALS
ARE 30 YEAR AVERAGES CALCULATED FROM 1981 TO 2010. MONTHLY RANKINGS
FOR PRECIPITATION...SNOWFALL...AND TEMPERATURES USE A PERIOD
OF RECORD THAT STARTED IN JULY 1948 AT OR NEAR THE LIVINGSTON AIRPORT.

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

... MONTHLY PRECIPITATION...

 MONTH   2017 VALUES  NORMALS    DEPARTURE  RANKING

APRIL        2.34     1.77       +0.57      TIED FOR THE 9TH WETTEST OUT OF 69 YEARS
                                            (RECORD WETTEST WAS 3.22 IN 1984)
                                            (WETTEST SINCE 2.82 IN 2007)

... APRIL 2017 BROKEN OR TIED DAILY PRECIPITATION RECORDS...

NONE

NOTE: SINCE THE LATE 1990S...LIVINGSTON BECAME AN AUTOMATED AND UNATTENDED
WEATHER STATION. PRECIPITATION AMOUNTS IN THE WINTER MAY BE UNDERESTIMATED.

... AVERAGE TEMPERATURES...

 MONTH   2017 VALUES  NORMALS   DEPARTURE  RANKING

APRIL        43.8      42.1      +1.7      26TH WARMEST OUT OF 69 YEARS
                                           (RECORD WARMEST WAS 51.7 IN 1987)
                                           (WARMEST SINCE 47.4 IN 2016)

... AVERAGE HIGH TEMPERATURES...

 MONTH   2017 VALUES  NORMALS   DEPARTURE  RANKING

APRIL        55.9      55.0      +0.9      TIED FOR THE 24TH WARMEST OUT OF 69 YEARS
                                           (RECORD WARMEST WAS 69.0 IN 1987)
                                           (WARMEST SINCE 60.2 IN 2016)

... APRIL 2017 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

71 ON APRIL  6 (OLD RECORD 70 IN 1952)

... APRIL 2017 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

NONE

... AVERAGE LOW TEMPERATURES...

 MONTH   2017 VALUES  NORMALS   DEPARTURE  RANKING

APRIL        31.7      29.1      +2.6      TIED FOR THE 23RD WARMEST OUT OF 69 YEARS
                                           (RECORD WARMEST WAS 34.9 TIED IN 1981)
                                           (WARMEST SINCE 34.5 IN 2016)

... APRIL 2017 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

NONE

... APRIL 2017 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

NONE

$$





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