Climatological Report (Monthly)
Issued by NWS Buffalo, NY
Issued by NWS Buffalo, NY
070
CXUS51 KBUF 020349
CLMROC
CLIMATE REPORT
NATIONAL WEATHER SERVICE BUFFALO NY
1006 AM EDT SAT AUG 01 2026
...................................
...THE ROCHESTER NY CLIMATE SUMMARY FOR THE MONTH OF JULY 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 102 07/10/1936
07/09/1936
LOW 42 07/09/1963
HIGHEST 94 07/01 93 07/12
07/14
07/24
LOWEST 49 07/23 52 07/22
AVG. MAXIMUM 81.5 82.5 -1.0 84.0
AVG. MINIMUM 63.0 62.2 0.8 64.2
MEAN 72.3 72.3 -0.0 74.1
DAYS MAX >= 90 4 3.5 0.5 5
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 9.70 1947
MINIMUM 0.43 1933
TOTALS 5.37 3.56 1.81 1.86
DAYS >= .01 8 8
DAYS >= .10 8 3
DAYS >= .50 3 2
DAYS >= 1.00 1 0
GREATEST
24 HR. TOTAL 3.01 07/18 TO 07/18 0.82 07/16 TO 07/16
SNOWFALL (INCHES)
RECORDS
TOTAL MM MM
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 0.0 0.0 0.0 MM
SNOWDEPTH AVG. 0 0
DAYS >= 1.0 0 0.0 0.0 0
DAYS >= 0.1 0 0
GREATEST
SNOW DEPTH 0 0 MM
24 HR TOTAL MM MM
DEGREE DAYS
HEATING TOTAL 5 6 -1 3
SINCE 7/1 5 0 5 MM
COOLING TOTAL 239 234 5 292
SINCE 1/1 396 406 -10 MM
................................................................
WIND (MPH)
AVERAGE WIND SPEED 7.4
HIGHEST WIND SPEED/DIRECTION 35/300
35/360
HIGHEST GUST SPEED/DIRECTION 48/290 DATE 07/01
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.59
NUMBER OF DAYS FAIR 6
NUMBER OF DAYS PC 14
NUMBER OF DAYS CLOUDY 11
AVERAGE RH (PERCENT) 71
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 6 MIXED PRECIP 0
HEAVY RAIN 6 RAIN 6
LIGHT RAIN 11 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 16 FOG W/VIS <= 1/4 MILE 0
HAZE 5
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
... FREQUENT ROUNDS OF STORMS THIS MONTH ...
CONVECTION WITHIN THE SUMMER MONTHS CAN LEAD TO UNEVEN PRECIPITATION
COVERAGE, AND FOR THIS MONTH OF JULY, ROCHESTER FELL UNDER THE PATHS
OF STORMS QUITE OFTEN. STORMS BROUGHT WELL ABOVE NORMAL RAINFALL FOR
THE MONTH TO THE AIRPORT AND AT TIMES FLOODING TO THE METRO
ROCHESTER AREA. SUMMER`S HEAT WAS ON FULL DISPLAY THE FIRST HALF OF
THE MONTH, BUT TRENDED MORE MODERATE AND COMFORTABLE THE SECOND HALF
OF THE MONTH.
THE TEMPERATURE AVERAGED 72.3F THIS MONTH WHICH IS EXACTLY NORMAL.
THERE WERE 16 DAYS FEATURING ABOVE NORMAL WARMTH, WHILE 13 DAYS
AVERAGED BELOW NORMAL AND 2 DAYS AVERAGED EXACTLY NORMAL. THE BULK
OF THE WARMTH OCCURRED WITHIN THE FIRST 16 DAYS OF THE MONTH, WITH
THIS PERIOD AVERAGING 3.4 DEGREES ABOVE NORMAL. HOT AND HUMID
CONDITIONS OCCURRED THE FIRST 3 DAYS OF THE MONTH, AND AGAIN ON THE
14TH OF THE MONTH. THE 4 DAYS IN THE 90S THIS MONTH IS EXACTLY
NORMAL FOR THE AIRPORT.
PRECIPITATION TOTALED 5.37 INCHES FOR THE MONTH WHICH IS NEARLY 2
INCHES ABOVE NORMAL. THE HIGHLIGHT THIS MONTH IS THE 18TH WHEN JUST
OVER 3 INCHES OF RAIN FELL AT THE ROCHESTER AIRPORT. THIS 3.01
INCHES OF RAIN IS TIED FOR 15TH GREATEST 1-DAY PRECIPITATION EXTREME
FOR THE AIRPORT. ADDITIONALLY, OF THIS 3.01 INCHES OF RAIN, 1.91
FELL WITHIN ONE HOUR, WHICH IS THE 4TH GREATEST 1-HOUR PRECIPITATION
MEASUREMENT IN ROCHESTER`S PAST 100 YEARS OF RECORDS. ADDITIONALLY,
SHOWERS AND THUNDERSTORMS BROUGHT A HALF INCH OF RAINFALL TO THE
ROCHESTER AREA ON THE 1ST OF THE MONTH AS WELL AS THE 28TH OF THE
MONTH.
JULY BEGAN IN A HEAT WAVE, ONE WHICH PRODUCED 4 CONSECUTIVE DAYS
ABOVE 90F STARTING WITH THE FINAL DAY OF JUNE. THIS HEAT, COUPLED
WITH VERY WARM OVERNIGHT TEMPERATURES, BROUGHT SEVERAL DAYS OF
ADVISORY LEVEL HEAT INDICES TO WESTERN NEW YORK. ADDITIONALLY, A
LINE OF SEVERE THUNDERSTORMS BROUGHT DAMAGING WINDS TO AREAS JUST
NORTH OF BUFFALO AND TO THE METRO ROCHESTER AREA ON THE 1ST.
ADDITIONAL THUNDERSTORMS BLOSSOMED OVER LAKE ONTARIO ON THE 3RD AND
DROPPED SOUTHWARD, WITH A LEADING GUST FRONT DOWNING TREES AROUND
THE NORTHERN GENESEE VALLEY. MORE CLOUD COVER ON THE 4TH OF JULY
BROUGHT SOME RELIEF FROM THE HEAT WHILE SEVERAL SHOWERS AND
THUNDERSTORMS DOTTED WESTERN NEW YORK. MOST AREAS REMAINED DRY
DURING THE EVENING HOURS OF THE 4TH ALLOWING FOR FIREWORK DISPLAYS
TO PROCEED. THUNDERSTORMS ON THE 5TH-6TH FOCUSED UPON CENTRAL AND
SOUTHERN ZONES OF WESTERN NEW YORK, WITH SOUTHERN ALLEGANY COUNTY
TOTALING OVER 5 INCHES OF RAIN WITH FLASH FLOODING THROUGH THE
COUNTY. ON THE 9TH SHOWERS AND THUNDERSTORMS FOCUSED TO THE NORTH OF
BUFFALO AND WEST OF ROCHESTER, WITH A FEW BECOMING SEVERE DOWNING
TREES AND WIRES ACROSS NIAGARA AND ORLEANS COUNTIES. ANOTHER HOT
AIRMASS REACHED WESTERN NEW YORK ON THE 14TH OF THE MONTH WITH
WIDESPREAD UPPER 80S AND MID 90S ACROSS THE REGION. BEHIND THIS
AIRMASS A SMOKE FILLED AIRMASS FILTERED INTO WESTERN NEW YORK WITH
SURFACE VISIBILITIES DROPPING TO LESS THAN 2 MILES AND A FOUL SMELL
WITHIN THE AIR. THIS SMOKE LINGERED THROUGH SATURDAY, THE 18TH
BEFORE WIDESPREAD SHOWERS AND SEVERE THUNDERSTORMS PASSED ACROSS
WESTERN NEW YORK TO CLEAR SKIES BEAUTIFULLY FOR SUNDAY THE 19TH.
ANOTHER BATCH OF SHOWERS AND THUNDERSTORMS ON THE 21ST BROUGHT
ADDITIONAL RAINFALL TO THE REGION. A FEW THUNDERSTORMS ALSO BROUGHT
ADDITIONAL DAMAGING WIND GUSTS, MAINLY TO THE NORTH AND EAST OF
BUFFALO THROUGH THE AFTERNOON HOURS. AN UPPER-LEVEL TROUGH BROUGHT
COMFORTABLE SUMMER DAYS THE FOURTH WEEK OF THE MONTH. THE MORNING
HOURS OF THE 23RD STARTED COOL WITH A 49F READING AT THE ROCHESTER
AIRPORT. THIS IS JUST ONE DEGREE HIGHER THAN THE RECORD LOW FOR THE
DATE. THUNDERSTORMS DURING THE MORNING HOURS OF THE 28TH TRAINED
OVER THE SAME WESTERN TOWNS OF NIAGARA COUNTY, PRODUCING FLASH
FLOODING AND FILLING BASEMENTS WITH WATER AFTER OVER LOCALLY 5
INCHES OF RAIN FELL. FAINT, ELEVATED SMOKE THE FINAL DAYS OF THE
MONTH ALLOWED FOR A FULL MOON ON THE 29TH TO BECOME REDDISH-ORANGE
WITH SUNSETS FEATURING A RED SUN.
THE WATER TEMPERATURE FOR LAKE ONTARIO PEAKED AT 74F FOR THE MONTH.
THE WINDS AVERAGED NORMAL FOR THE MONTH. A THUNDERSTORM OUTFLOW
BOUNDARY ON THE 1ST BROUGHT THE HIGHEST GUST FOR THE MONTH,
REGISTERING AT 48 MPH.
IN ALL, A WET MONTH WITH MULTIPLE ROUNDS OF THUNDERSTORMS PRODUCING
WIND DAMAGE AND FLOODING.
&&
THOMAS
$$