000
CXUS55 KBYZ 010941
CLMSHR


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
338 AM MDT WED MAY 1 2013

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

...THE SHERIDAN WY CLIMATE SUMMARY FOR THE MONTH OF APRIL 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1907 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST            76   04/27
LOWEST             -2   04/23
AVG. MAXIMUM     50.7              57.4    -6.7
AVG. MINIMUM     24.7              29.8    -5.1
MEAN             37.7              43.6    -5.9
DAYS MAX >= 90      0
DAYS MAX <= 32      5
DAYS MIN <= 32     24
DAYS MIN <= 0       1

PRECIPITATION (INCHES)
TOTALS           2.27              1.60    0.67
DAYS >= .01        16
DAYS >= .10         7
DAYS >= .50         1
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.88   04/21 TO 04/22

DEGREE_DAYS
HEATING TOTAL     813               642     171
 SINCE 7/1       7092              7101      -9
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              8.6
HIGHEST WIND SPEED/DIRECTION    46/310    DATE  04/13
HIGHEST GUST SPEED/DIRECTION    59/310    DATE  04/13

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       4
LIGHT SNOW               13     SLEET                      0
FOG                      15     FOG W/VIS <= 1/4 MILE      2
HAZE                      5

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

&&

...APRIL 2013 MONTH IN REVIEW FOR SHERIDAN...

BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR SHERIDAN FOR APRIL 2013. 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 MAY 1934 AT OR NEAR THE SHERIDAN AIRPORT.

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

...SHERIDAN MONTHLY PRECIPITATION...

 MONTH   2013 VALUES  NORMALS    DEPARTURE  RANKING

APRIL        2.27     1.60       +0.67      TIED FOR THE 30TH WETTEST OUT OF 106 YEARS
                                            (RECORD WETTEST WAS 5.52 IN 1925)
                                            (WETTEST SINCE 2.29 IN 2003)

...SHERIDAN APRIL 2013 BROKEN OR TIED DAILY PRECIPITATION RECORDS...

0.70 ON APRIL 21 (OLD RECORD 0.69 IN 1988)

...SHERIDAN AVERAGE TEMPERATURES...

 MONTH   2013 VALUES  NORMALS   DEPARTURE  RANKING

APRIL        37.7      43.6      -5.9      6TH COLDEST OUT OF 106 YEARS
                                           (RECORD COLDEST WAS 36.4 IN 1920)
                                           (COLDEST SINCE 36.8 IN 1997)

...SHERIDAN AVERAGE HIGH TEMPERATURES...

 MONTH   2013 VALUES  NORMALS   DEPARTURE  RANKING

APRIL        50.7      57.4      -6.7      10TH COLDEST OUT OF 106 YEARS
                                           (RECORD COLDEST WAS 46.0 IN 1920)
                                           (COLDEST SINCE 48.1 IN 1997)

...SHERIDAN APRIL 2013 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

NONE

...SHERIDAN APRIL 2013 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

21 ON APRIL  9 (OLD RECORD 26 IN 1997)
32 ON APRIL 15 (OLD RECORD 34 IN 1924)
28 ON APRIL 16 (OLD RECORD 31 IN 1939)
31 ON APRIL 17 (OLD RECORD 33 IN 1953)
27 ON APRIL 22 (OLD RECORD 33 IN 1931)

...SHERIDAN AVERAGE LOW TEMPERATURES...

 MONTH   2013 VALUES  NORMALS   DEPARTURE  RANKING

APRIL        24.7      29.8      -5.1      2ND COLDEST OUT OF 106 YEARS
                                           (RECORD COLDEST WAS 24.4 IN 2008)
                                           (COLDEST SINCE 24.4 IN 2008)

...SHERIDAN APRIL 2013 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

NONE

...SHERIDAN APRIL 2013 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

11 ON APRIL 10 (TIED RECORD IN 1933)
13 ON APRIL 18 (OLD RECORD 17 IN 1966)
4 ON APRIL 22 (OLD RECORD 12 IN 1951)
-2 ON APRIL 23 (OLD RECORD 15 IN 1931)

$$