Climatological Report (Monthly)
Issued by NWS
Issued by NWS
088 CXUS55 KRIW 031807 CLMLND CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 1053 AM MST WED JAN 03 2024 ...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR LANDER FOR THE MONTH OF DECEMBER 2023... ...OFFICIAL CLIMATE DATA FOR THE MONTH OF DECEMBER 2023 WILL BE AVAILABLE IN APPROXIMATELY 60 DAYS FROM THE NATIONAL CENTERS FOR ENVIRONMENTAL INFORMATION (HTTP://WWW.NCDC.NOAA.GOV/CDO- WEB/DATASETS). UNOFFICIAL ASOS DAILY SUMMARIES ARE AVAILABLE ON THE INTERNET AT HTTP://WWW.WEATHER.GOV/CLIMATE/INDEX.PHP?WFO=RIW ...LANDER WAS WARMER AND WETTER THAN NORMAL IN DECEMBER.... THE AVERAGE TEMPERATURE FOR LANDER IN DECEMBER WAS 24.4 DEGREES WHICH WAS 2.8 DEGREES ABOVE NORMAL. THE WARMEST READING FOR THE MONTH WAS 50 DEGREES ON THE 5TH. THE COLDEST TEMPERATURE WAS 1 DEGREE BELOW ZERO ON THE 25TH. NO TEMPERATURE RECORDS WERE BROKEN THIS MONTH. PRECIPITATION FOR THE MONTH WAS 0.71 INCHES...WHICH IS 113 PERCENT OF NORMAL. THE WETTEST 24-HOUR PERIOD WAS THE 23RD-24TH WHEN 0.68 INCHES OF PRECIPITATION FELL. THE 23RD HAD 0.59 INCHES AND BROKE THE 1987 RECORD OF 0.52. SNOWFALL FOR THE MONTH WAS 8.1 INCHES WHICH IS 87 PERCENT OF NORMAL. THE SNOWIEST 24-HOUR PERIOD WAS ON THE 23RD WHEN 6 INCHES FELL. SNOWFALL FOR DECEMBER IS ESTIMATED BASED ON SURROUNDING OBSERVATIONS. NO SNOWFALL RECORDS WERE BROKEN THIS MONTH.. THE HIGHEST WIND GUST OCCURRED ON THE 7TH WITH 49 MPH FROM THE NORTHWEST. ...THE LANDER WY CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1891 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 65 12/11/1937 12/10/1933 LOW -40 12/19/1924 HIGHEST 50 12/05 LOWEST 12/25 AVG. MAXIMUM 34.1 32.9 1.2 AVG. MINIMUM 14.7 10.2 4.5 MEAN 24.4 21.6 2.8 DAYS MAX >= 90 0 DAYS MAX <= 32 14 DAYS MIN <= 32 31 DAYS MIN <= 0 1 PRECIPITATION (INCHES) RECORD MAXIMUM 2.06 1909 MINIMUM T 1933 TOTALS 0.71 0.63 0.08 1.32 DAILY AVG. 0.02 0.02 -0.00 DAYS >= .01 3 DAYS >= .10 1 DAYS >= .50 1 DAYS >= 1.00 0 GREATEST 24 HR. TOTAL 0.68 12/23 TO 12/24 STORM TOTAL 0.59 SNOWFALL (INCHES) TOTALS 8.1 9.3 -1.2 SINCE 7/1 32.3 31.9 0.4 SNOWDEPTH AVG. 5 DAYS >= 1.0 2 DEGREE DAYS HEATING TOTAL 1250 1347 -97 SINCE 7/1 2858 3177 -319 COOLING TOTAL 0 0 0 SINCE 1/1 361 485 -124 .............................................................. WIND (MPH) AVERAGE WIND SPEED 3.6 RESULTANT WIND SPEED/DIRECTION 1/260 HIGHEST WIND SPEED/DIRECTION 37/310 DATE 12/07 HIGHEST GUST SPEED/DIRECTION 49/310 DATE 12/07 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.15 NUMBER OF DAYS FAIR 25 NUMBER OF DAYS PC 6 NUMBER OF DAYS CLOUDY 0 AVERAGE RH (PERCENT) 69 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 0 LIGHT RAIN 0 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 1 LIGHT SNOW 5 SLEET 0 FOG 6 FOG W/VIS <= 1/4 MILE 3 HAZE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. LOOKING AHEAD TO JANUARY 2024. THE AVERAGE HIGH TEMPERATURE ON THE FIRST OF THE MONTH IS 30 DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 7 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 32 DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 9. THE AVERAGE MONTHLY PRECIPITATION IS 0.51 INCHES. THE AVERAGE SNOWFALL IS 8.2 INCHES. $$