Climatological Report (Annual)
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
642
CXUS55 KBOU 020026 RRA
CLADEN
DENCLADEN 000
TTAA00 BOU 020010
CLIMATE REPORT
NATIONAL WEATHER SERVICE DENVER/BOULDER
456 PM MST THU JAN 01 2026
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...THE DENVER CO CLIMATE SUMMARY FOR THE YEAR OF 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 105 06/28/2018
06/26/2012
06/25/2012
LOW -29 01/09/1875
HIGHEST 100 07/09 64 36 102 07/12
08/04
LOWEST -14 01/20 36 -50 -19 01/16
01/15
AVG. MAXIMUM 67.2 65.1 2.1 68.2
AVG. MINIMUM 38.3 37.2 1.1 39.5
MEAN 52.8 51.2 1.6 53.9
DAYS MAX >= 90 47 46.2 0.8 64
DAYS MAX <= 32 18 22.3 -4.3 11
DAYS MIN <= 32 133 156.3 -23.3 149
DAYS MIN <= 0 8 6.2 1.8 7
PRECIPITATION (INCHES)
RECORD
MAXIMUM 23.31 1967
MINIMUM 7.48 2002
TOTALS 15.42 14.48 0.94 14.12
DAILY AVG. 0.04 0.04 0.00 0.04
DAYS >= .01 82 79.7 2.3 72
DAYS >= .10 29 35.4 -6.4 37
DAYS >= .50 8 7.2 0.8 8
DAYS >= 1.00 4 2.0 2.0 1
GREATEST
24 HR. TOTAL 1.43 08/10 TO 08/10 1.68 04/26 TO 04/27
STORM TOTAL 1.85 1.50
(MM/DD(HH)) MM
SNOWFALL (INCHES)
RECORDS
TOTAL 115.9 1913
24 HR TOTAL 23.6 12/24/1982 TO 12/24/1982
SNOW DEPTH MM
TOTALS 29.8 MM MM 57.5
LIQUID EQUIV MM MM MM MM
SINCE 7/1 MM MM MM MM
LIQUID 7/1 MM MM MM MM
SNOWDEPTH AVG. MM MM
DAYS >= TRACE 45 MM MM 45
DAYS >= 1.0 12 MM MM 18
GREATEST
SNOW DEPTH 4 12/04 13 11/09
24 HR TOTAL 4.3 12/03 TO 12/03 10.2 11/08 TO 11/09
STORM TOTAL 4.3 MM
(MM/DD(HH)) MM
DEGREE DAYS
HEATING TOTAL 5171 5862 -691 5117
SINCE 7/1 1705 2371 -666 MM
COOLING TOTAL 848 850 -2 1155
SINCE 1/1 848 849 -1 MM
FREEZE DATES
RECORD
EARLIEST 09/08/1962 09/08/2020
LATEST 06/08/2007
EARLIEST 10/18
LATEST 04/29
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WIND (MPH)
AVERAGE WIND SPEED 9.9
RESULTANT WIND SPEED/DIRECTION 2/190
HIGHEST WIND SPEED/DIRECTION 47/280 DATE 07/10
HIGHEST GUST SPEED/DIRECTION 70/300 DATE 07/10
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.51
NUMBER OF DAYS FAIR 98
NUMBER OF DAYS PC 215
NUMBER OF DAYS CLOUDY 50
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 65 MIXED PRECIP 1
HEAVY RAIN 15 RAIN 20
LIGHT RAIN 80 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 3
HEAVY SNOW 4 SNOW 6
LIGHT SNOW 45 SLEET 0
FOG 91 FOG W/VIS <= 1/4 MILE 23
HAZE 29
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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