Climatological Report (Monthly)
Issued by NWS Buffalo, NY

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CXUS51 KBUF 052303
CLMROC

CLIMATE REPORT
NATIONAL WEATHER SERVICE BUFFALO NY
913 AM EST MON FEB 1 2016

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

...THE ROCHESTER NY CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              74   01/25/1950
 LOW              -17   01/16/1994
HIGHEST            58   01/31                         57  01/04
LOWEST              5   01/24                         -9  01/14
AVG. MAXIMUM     35.1              31.7     3.4     29.2
AVG. MINIMUM     19.6              17.6     2.0      9.9
MEAN             27.4              24.7     2.7     19.5
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     12              15.9    -3.9       20
DAYS MIN <= 32     28              27.5     0.5       30
DAYS MIN <= 0       0               2.6    -2.6        4

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.05   1878
 MINIMUM         0.52   1921
TOTALS           1.52              2.41   -0.89     1.74
DAYS >= .01        18                                 17
DAYS >= .10         6                                  6
DAYS >= .50         0                                  1
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.48   01/10 TO 01/10           01/03 TO 01/04
                                                          01/04 TO 01/04
                                                          01/04 TO 01/04

SNOWFALL (INCHES)
RECORDS
 TOTAL           61.3   2004
TOTALS           20.2              28.2    -8.0     17.7
SINCE 7/1        23.7              57.4   -33.7     43.4
SNOWDEPTH AVG.      1                 4      -3        2
DAYS >= 1.0         7               8.8    -1.8        9
GREATEST
 SNOW DEPTH         5   01/23                          4  01/31
                        01/22                             01/13
                        01/21
 24 HR TOTAL      4.0   01/18 TO 01/18           01/04 TO 01/04
                                                          01/04 TO 01/04
                                                          01/04 TO 01/04

DEGREE_DAYS
HEATING TOTAL    1159              1251     -92     1402
 SINCE 7/1       2898              3704    -806     3622
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
.....................................................

WIND (MPH)
AVERAGE WIND SPEED              10.7
HIGHEST WIND SPEED/DIRECTION    46/250
HIGHEST GUST SPEED/DIRECTION    58/250    DATE  01/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.80
NUMBER OF DAYS FAIR            1
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY         23

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                5     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                2     SNOW                       8
LIGHT SNOW               22     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE      1
HAZE                      8

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

&&

...CHANGEABLE MONTH WITH LIGHT LAKE EFFECT SNOWS AND SPURTS OF MILD
TEMPERATURES...

JANUARY RETURNED TO SOME RESEMBLANCE OF WINTER ACROSS WESTERN NEW
YORK...THIS AFTER A REMARKABLY WARM DECEMBER. BRIEF BURSTS OF
COLDER...ARCTIC AIR FLOWED OVER THE OPEN LAKE WATERS AND BROUGHT
SEVERAL LIGHT LAKE EFFECT SNOW EVENTS TO THE REGION. THERE WERE ALSO
SEVERAL WARM STINTS ACROSS WESTERN NEW YORK...WITH A JANUARY THAW
THE LAST SEVERAL DAYS OF THE MONTH MELTING ALL REMAINING SNOW PACK.

THE AIR TEMPERATURE THIS MONTH AVERAGED 27.4F DEGREES...WHICH IS 2.7
DEGREES ABOVE NORMAL. ABOVE NORMAL DAILY TEMPERATURES EDGED OUT
BELOW NORMAL TEMPERATURES 18 TO 11 THIS MONTH. THERE WERE 19 DAYS
THAT ROSE ABOVE THE FREEZING MARK THIS MONTH...WHICH IS FOUR DAYS
MORE THAN NORMAL. THE HIGHEST TEMPERATURE OCCURRED IN THE LAST HOUR
OF THE MONTH...THIS AT 58F DEGREES.

BOTH PRECIPITATION AND SNOWFALL FINISHED MUCH BELOW NORMAL...WITH
1.52 INCHES OF PRECIPITATION RECORDED...AND 20.2 INCHES OF SNOWFALL.
THERE WERE SEVERAL RAIN EVENTS THROUGH THE MONTH...BUT NOTHING MAJOR
AS ALL DAILY EVENTS REMAINED UNDER A HALF AN INCH OF LIQUID. THE
GREATEST DAILY SNOWFALL WAS 4.0 INCHES MEASURED ON THE 18TH. THERE
WERE 17 DAYS THAT RECORDED MEASURABLE SNOWFALL...TYPICAL FOR
JANUARY.

JANUARY BEGAN WITH AN ONGOING LAKE EFFECT SNOW EVENT OFF LAKE
ERIE...WITH THE EASTERN REACH OF THE SNOW BAND EXTENDING TO THE
GREATER ROCHESTER AREA. A STRONG AREA OF HIGH PRESSURE CLEARED THE
REGION OF ANY SNOW SHOWERS BY THE EVENING OF THE 4TH WITH CLEAR
SKIES OVERNIGHT ALLOWING FOR TEMPERATURES TO DROP TO 10F. BEHIND
THIS HIGH PRESSURE SYSTEM A MILDER SOUTH FLOW COMMENCED WITH
TEMPERATURES SLOWLY INCREASING TO 51F BY THE 10TH OF THE MONTH. A
STRONG COLD FRONT CROSSED THE REGION LATER ON SUNDAY THE 10TH WITH
TREE DAMAGE ACROSS WESTERN NEW YORK. BEHIND THIS COLD FRONT THE
FIRST OF THREE LAKE EFFECT SNOW EVENTS OCCURRED. THIS FIRST LAKE
EFFECT SNOW EVENT PRIMARILY OFF LAKE ERIE OCCURRED...JANUARY 10TH
THROUGH 12TH AND BROUGHT AN INCH OR TWO OF SNOW ACROSS THE NORTHERN
GENESEE VALLEY.  THE SECOND EVENT...A LENGTHY AND OSCILLATING BAND
OF SNOW OFF LAKE ERIE...PRODUCED AGAIN A FEW INCHES AROUND THE
ROCHESTER METRO AREA FROM THE 12TH THROUGH THE 14TH. AFTER A QUIET
WEEKEND OF THE 16TH AND 17TH...THE THIRD EVENT OCCURRED ABOUT A WEEK
LATER...AND PRODUCED A LONG DURATION...LIGHT SNOWFALL EVENT ON A
NORTHWEST WIND. THIS EVENT FROM THE 19TH THROUGH THE 21ST DROPPED
OVER A HALF A FOOT OF SNOW SOUTH OF LAKE ONTARIO...WITH THE HEAVIEST
BANDS DURING THE DAY THURSDAY THE 21ST. TEMPERATURES REMAINED BELOW
NORMAL FROM THE 17TH THROUGH THE 24TH...INCLUDING 4 DAYS REGISTERING
LOWS IN THE SINGLE DIGITS. A MILDER AIRMASS SURGED NORTHWARD ACROSS
WESTERN NEW YORK. THIS AIRMASS EVENTUALLY WARMED TO THE UPPER 50S BY
THE CLOSE OF THE MONTH...THE BEGINNING OF A JANUARY THAW.

WINDS WERE TYPICAL FOR FEBRUARY...AVERAGING 10.7 MPH...WHICH IS A
TICK ABOVE NORMAL. THE GREATEST WIND GUST OCCURRED WITH THE COLD
FRONT PASSAGE ON SUNDAY THE 10TH...WHEN A GUST TO 58 MPH WAS
RECORDED AT THE ROCHESTER AIRPORT.

IN ALL A RETURN TO FAIRLY NORMAL WINTER CONDITIONS WITH LAKE
SNOWS...THOUGH BRIEF MILD INTERRUPTION WERE FELT.

&&

THOMAS

$$



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