Climatological Report (Monthly)
Issued by NWS Buffalo, NY

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CXUS51 KBUF 040046
CLMBUF

CLIMATE REPORT
NATIONAL WEATHER SERVICE BUFFALO NY
547 PM EDT FRI MAY 1 2015

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

...THE BUFFALO NY CLIMATE SUMMARY FOR THE MONTH OF APRIL 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              94   04/28/1990
 LOW                5   04/01/1923
HIGHEST            78   04/13                         76  04/14
LOWEST             25   04/01                         24  04/16
                                                          04/15
AVG. MAXIMUM     55.4              55.0     0.4     56.0
AVG. MINIMUM     36.1              36.8    -0.7     35.5
MEAN             45.8              45.9    -0.1     45.8
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.5    -0.5        0
DAYS MIN <= 32      7               8.5    -1.5       10
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         5.90   1961
 MINIMUM         0.59   1915
TOTALS           2.70              3.01   -0.31     5.08
DAYS >= .01        15                                 16
DAYS >= .10        10                                 11
DAYS >= .50         0                                  2
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.49   04/19 TO 04/20

SNOWFALL (INCHES)
RECORDS
 TOTAL           15.7   1885
TOTALS            0.3               2.7    -2.4      1.2
SINCE 7/1       112.9              94.4    18.5
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         0               0.8    -0.8        1
GREATEST
 SNOW DEPTH         0   MM                            -1  04/05
 24 HR TOTAL      0.3   04/04 TO 04/04

DEGREE_DAYS
HEATING TOTAL     570               576      -6      571
 SINCE 7/1       6820              6281     539     6855
COOLING TOTAL       0                 3      -3        0
 SINCE 1/1          0                 3      -3        0
......................................................

WIND (MPH)
AVERAGE WIND SPEED              11.1
HIGHEST WIND SPEED/DIRECTION    40/240
HIGHEST GUST SPEED/DIRECTION    62/250    DATE  04/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY         15

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                      11
LIGHT RAIN               18     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       2
LIGHT SNOW                5     SLEET                      0
FOG                      18     FOG W/VIS <= 1/4 MILE      2
HAZE                      6

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

&&

...COMFORTABLE APRIL...

COMFORTABLE DAYS RETURNED TO WESTERN NEW YORK IN APRIL FOLLOWING
ANOTHER HARSH WINTER AND SLOW START TO SPRING. THE MONTH HAD THREE
WEATHER REGIMES...WITH EACH LASTING ABOUT 10 DAYS. THE FIRST 10 DAYS
IN APRIL SAW DAILY SWINGS IN TEMPERATURES AS WINTER`S COLD AND LATE
SEASON SNOW BATTLED WITH THE STRONGER APRIL SUN ANGLE AND WARMTH OF
SPRING. THE MIDDLE OF THE MONTH WAS PLEASANT WITH ABOVE NORMAL
WARMTH AND A FEW APRIL SHOWERS. THE END OF THE MONTH FINISHED ON THE
COOL SIDE WITH SCATTERED LIGHT SHOWERS AND SPRINKLES.

THE AVERAGE TEMPERATURE THIS MONTH WAS 45.8F DEGREES...WHICH IS A
SHADE LOWER THAN NORMAL...AND THE EXACT SAME APRIL AVERAGE AS A YEAR
PRIOR. THE FIRST 70 DEGREE READING OF THE YEAR OCCURRED ON THE 13TH
WITH A READING OF 78F DEGREES...WHICH IS JUST 3 DAYS LATER THAN
NORMAL. THERE WERE NO RECORDS ESTABLISHED THIS MONTH.

PRECIPITATION FOR THE MONTH SUMMED TO 2.70 INCHES WHICH IS ABOUT A
THIRD OF AN INCH BELOW NORMAL. THERE WERE NO SIGNIFICANT
PRECIPITATION EVENTS THIS MONTH AND NO RECORDS WERE BROKEN. HALF THE
DAYS RECEIVED MEASURABLE PRECIPITATION...WHICH IS ONE MORE THAN
NORMAL. THERE WAS MEASURABLE SNOWFALL ON THE SATURDAY BEFORE EASTER
SUNDAY...WITH 0.3 INCHES ACCUMULATING.

A WARM FRONT LIFTED ACROSS NEW YORK STATE ON THE 2ND AND BROUGHT THE
FIRST TASTE OF SPRING TO THE REGION. GUSTY SOUTHERLY WINDS BROUGHT
TEMPERATURES INTO THE UPPER 60S AND LOWER 70S ACROSS WESTERN NEW
YORK. FOLLOWING A COLD FRONT PASSAGE ON THE 3RD...A MINOR SNOW
ACCUMULATION OCCURRED OVER THE REGION ON SATURDAY APRIL 4TH. THE
PATTERN FOR THE NEXT WEEK FEATURED EARLY SPRING TEMPERATURE
FLUCTUATIONS THAT CUMULATED WITH A STRONG COLD FRONT ON THE 10TH
THAT BROUGHT STRONG...DAMAGING WIND GUSTS ACROSS WESTERN NEW YORK.
FOR MID MONTH A DOMINATING RIDGE OF HIGH PRESSURE REACHED WESTERN
NEW YORK FOR THE MIDDLE PORTION OF THE MONTH. THERE WERE SUN-FILLED
DAYS THAT ALLOWED THE GRASS TO GREEN AND EARLY SPRING FLOWERS TO
APPEAR. RAIN SHOWERS WERE LIGHT AND TENDED TO FALL DURING THE LATER
EVENING AND OVERNIGHT HOURS. THE LAST THIRD OF THE MONTH WAS
DOMINATED BY A SLOW MOVING CUT OFF LOW THAT BROUGHT UNSEASONABLY
COOL TEMPERATURES AND CLOUDY DAYS TO WESTERN NEW YORK. THIS SYSTEM
BROUGHT SEVERAL INCHES OF SNOW TO THE HILLS OF SOUTHWESTERN NEW YORK
STATE ON THURSDAY THE 23RD...AND EVEN A FEW TENTHS OF AN INCH OF
SNOW ACROSS THE IMMEDIATE BUFFALO SUBURBS. THIS SNOW FALLING THROUGH
THE EARLY MORNING HOURS SNARLED THE MORNING COMMUTE. LATE APRIL`S
WARMTH RETURNED FOR THE FINAL FEW DAYS OF THE MONTH.

LAKE ERIE HAD AN ICE OUT DATE OF APRIL 18TH THIS YEAR WHICH IS VERY
CLOSE TO NORMAL. THE STRONGEST WIND GUST THIS MONTH OCCURRED ON THE
10TH FOLLOWING A COLD FRONTAL PASSAGE WHEN WINDS GUSTED TO 62 MPH.

IN ALL A TYPICAL APRIL THAT WAS WELL WELCOMED FOLLOWING THREE MONTHS
OF WELL BELOW NORMAL TEMPERATURES.

&&

THOMAS

$$


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