


Climatological Report (Monthly)
Issued by NWS
Issued by NWS
527 CXUS55 KREV 011159 CLMTVL CLIMATE REPORT NATIONAL WEATHER SERVICE RENO NV 459 AM PDT WED OCT 01 2025 ................................... ...THE SOUTH LAKE TAHOE CA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025... THE AVERAGE TEMPERATURE FOR SEPTEMBER 2025 AT THE SOUTH LAKE TAHOE AIRPORT WAS 55.8 DEGREES, WHICH IS 1.3 DEGREES ABOVE NORMAL. THE HIGHEST TEMPERATURE FOR SEPTEMBER WAS 83 DEGREES, WHICH OCCURRED ON THE 1ST. THE LOWEST TEMPERATURE FOR THE MONTH WAS 33 DEGREES, WHICH OCCURRED ON THE 11TH AND 15TH. FOR SEPTEMBER 2025, 0.24 INCHES OF PRECIPITATION WERE RECORDED AT THE SOUTH LAKE TAHOE AIRPORT. THIS IS 0.04 INCHES BELOW NORMAL FOR THE MONTH. THE AVERAGE WIND SPEED FOR SEPTEMBER 2025 WAS 4.3 MPH. THE PEAK WIND GUST FOR THE MONTH WAS 42 MPH FROM THE SOUTH ON THE 30TH. CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1968 TO 2025 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 94 09/05/1988 09/04/1988 LOW 19 09/25/1984 HIGHEST 83 09/01 94 -11 LOWEST 33 09/11 19 14 09/15 AVG. MAXIMUM 72.2 73.4 -1.2 AVG. MINIMUM 39.3 35.4 3.9 MEAN 55.8 54.4 1.3 DAYS MAX >= 90 0 0.1 -0.1 DAYS MAX <= 32 0 0.0 0.0 DAYS MIN <= 32 0 10.2 -10.2 DAYS MIN <= 0 0 0.0 0.0 PRECIPITATION (INCHES) RECORD MAXIMUM 1.83 2014 MINIMUM 0.00 2018 TOTALS 0.24 DAILY AVG. 0.01 0.01 0.00 DAYS >= .01 4 2.3 1.7 DAYS >= .10 1 0.7 0.3 DAYS >= .50 0 0.1 -0.1 DAYS >= 1.00 0 0.0 0.0 GREATEST 24 HR. TOTAL 0.19 09/02 TO 09/02 STORM TOTAL 0.19 (MM/DD(HH)) DEGREE DAYS HEATING TOTAL 271 319 -48 SINCE 7/1 550 599 -49 COOLING TOTAL 0 0 0 SINCE 1/1 17 28 -11 .............................................................. WIND (MPH) AVERAGE WIND SPEED 4.3 HIGHEST WIND SPEED/DIRECTION 23/190 DATE 09/29 23/170 09/30 HIGHEST GUST SPEED/DIRECTION 42/190 DATE 09/30 AVERAGE RH (PERCENT) 60 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 2 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 1 LIGHT RAIN 5 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 2 FOG W/VIS <= 1/4 MILE 0 HAZE 2 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$