989  
CXUS55 KGJT 012059 CCA  
CLMGJT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND JUNCTION CO  
503 AM MST SUN NOV 1 2009  
   
...............................
 
 
 
...THE GRAND JUNCTION CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2009...  
 
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 1893 TO 2009  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 88 10/01/2003  
10/01/1963  
LOW 16 10/29/1917  
HIGHEST 80 10/19 74 6 86 10/01  
LOWEST 22 10/31 32 -10 23 10/23  
AVG. MAXIMUM 62.3 66.7 -4.4 68.4  
AVG. MINIMUM 36.5 38.6 -2.1 38.9  
MEAN 49.4 52.7 -3.3 53.6  
DAYS MAX >= 90 0 0.0 0.0 0  
DAYS MAX <= 32 0 0.0 0.0 0  
DAYS MIN <= 32 12 3.5 8.5 7  
DAYS MIN <= 0 0 0.0 0.0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 3.45 1972  
MINIMUM 0.00 1952  
TOTALS 0.62 1.00 -0.38 0.11  
DAILY AVG. 0.02 0.03 -0.01 0.00  
DAYS >= .01 7 6.2 0.8 2  
DAYS >= .10 2 3.1 -1.1 0  
DAYS >= .50 0 0.4 -0.4 0  
DAYS >= 1.00 0 0.0 0.0 0  
GREATEST  
24 HR. TOTAL 0.32 10/27 TO 10/28 0.10  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL 6.1 1975  
TOTALS 1.9 0.7 1.2 0.0  
SINCE 7/1 1.9 0.7 1.2 0.0  
SNOWDEPTH AVG. 0 0 0 0  
DAYS >= 1.0 0 0.2 -0.2 0  
GREATEST  
SNOW DEPTH 1 10/28 0 10/31  
24 HR TOTAL 0.9 10/28 TO 10/28 0.0  
 
DEGREE_DAYS  
HEATING TOTAL 481 367 114 353  
SINCE 7/1 538 453 85 378  
COOLING TOTAL 3 1 2 9  
SINCE 1/1 1152 1091 61 1209    
.............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 6.9  
HIGHEST WIND SPEED/DIRECTION 38/160 DATE 10/04  
HIGHEST GUST SPEED/DIRECTION 48/170 DATE 10/13  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
 
NUMBER OF DAYS FAIR 17  
NUMBER OF DAYS PC 11  
NUMBER OF DAYS CLOUDY 3  
 
AVERAGE RH (PERCENT) 47  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 1 MIXED PRECIP 0  
HEAVY RAIN 0 RAIN 2  
LIGHT RAIN 7 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 3 SLEET 0  
FOG 5 FOG W/VIS <= 1/4 MILE 0  
HAZE 1  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

   
...............................
 
 
   
..THE VERNAL CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2009
 
 
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 9999 TO 9999  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH MM MM  
LOW MM MM  
HIGHEST 74 10/19 MM MM 81 10/01  
LOWEST 20 10/26 MM MM 21 10/14  
10/13  
AVG. MAXIMUM 57.4 63.0 -5.6 63.4  
AVG. MINIMUM 32.4 32.1 0.3 34.4  
MEAN 44.9 47.6 -2.7 48.9  
DAYS MAX >= 90 0 MM MM 0  
DAYS MAX <= 32 0 MM MM 0  
DAYS MIN <= 32 15 MM MM 12  
DAYS MIN <= 0 0 MM MM 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM MM MM  
MINIMUM MM MM  
TOTALS 0.57 1.25 -0.68 0.48  
DAILY AVG. 0.02 0.04 -0.02 0.02  
DAYS >= .01 5 MM MM 3  
DAYS >= .10 1 MM MM 2  
DAYS >= .50 1 MM MM 0  
DAYS >= 1.00 0 MM MM 0  
GREATEST  
24 HR. TOTAL 0.51 10/04 TO 10/04 0.33  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL MM MM  
TOTALS MM MM MM MM  
SINCE 7/1 MM MM MM MM  
SNOWDEPTH AVG. MM MM MM MM  
DAYS >= 1.0 MM MM MM MM  
GREATEST  
SNOW DEPTH MM MM MM  
24 HR TOTAL MM MM  
 
DEGREE_DAYS  
HEATING TOTAL 616 542 74 491  
SINCE 7/1 725 744 -19 634  
COOLING TOTAL 0 0 0 0  
SINCE 1/1 527 499 28 632    
.............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 5.7  
HIGHEST WIND SPEED/DIRECTION 38/030 DATE 10/28  
HIGHEST GUST SPEED/DIRECTION 52/030 DATE 10/28  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
 
NUMBER OF DAYS FAIR 22  
NUMBER OF DAYS PC 9  
NUMBER OF DAYS CLOUDY 0  
 
AVERAGE RH (PERCENT) 50  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 2 MIXED PRECIP 0  
HEAVY RAIN 1 RAIN 1  
LIGHT RAIN 3 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 1  
LIGHT SNOW 3 SLEET 0  
FOG 3 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.    
...............................
 
 
   
..THE MONTROSE CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2009
 
 
CLIMATE NORMAL PERIOD 9999 TO 9999  
CLIMATE RECORD PERIOD 9999 TO 9999  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH MM MM  
LOW MM MM  
HIGHEST 79 10/18 MM MM 82 10/01  
LOWEST 18 10/30 MM MM 19 10/23  
AVG. MAXIMUM 60.0 MM MM 67.7  
AVG. MINIMUM 34.2 MM MM 35.0  
MEAN 47.1 MM MM 51.3  
DAYS MAX >= 90 0 MM MM 0  
DAYS MAX <= 32 0 MM MM 0  
DAYS MIN <= 32 13 MM MM 13  
DAYS MIN <= 0 0 MM MM 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM MM MM  
MINIMUM MM MM  
TOTALS 0.77 MM MM 0.44  
DAILY AVG. 0.02 MM MM 0.01  
DAYS >= .01 7 MM MM 4  
DAYS >= .10 2 MM MM 2  
DAYS >= .50 0 MM MM 0  
DAYS >= 1.00 0 MM MM 0  
GREATEST  
24 HR. TOTAL 0.49 10/27 TO 10/28 0.30  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL MM MM  
TOTALS MM MM MM MM  
SINCE 7/1 MM MM MM MM  
SNOWDEPTH AVG. MM MM MM MM  
DAYS >= 1.0 MM MM MM MM  
GREATEST  
SNOW DEPTH MM MM MM  
24 HR TOTAL MM MM  
 
DEGREE_DAYS  
HEATING TOTAL 545 MM MM 413  
SINCE 7/1 642 MM MM 481  
COOLING TOTAL 0 MM MM 0  
SINCE 1/1 610 MM MM 721    
.............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 6.9  
HIGHEST WIND SPEED/DIRECTION 33/210 DATE 10/04  
HIGHEST GUST SPEED/DIRECTION 44/220 DATE 10/04  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
 
NUMBER OF DAYS FAIR 17  
NUMBER OF DAYS PC 11  
NUMBER OF DAYS CLOUDY 3  
 
AVERAGE RH (PERCENT) 50  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 MIXED PRECIP 0  
HEAVY RAIN 0 RAIN 2  
LIGHT RAIN 9 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 2  
LIGHT SNOW 3 SLEET 0  
FOG 3 FOG W/VIS <= 1/4 MILE 1  
HAZE 1  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.    
...............................
 
 
   
..THE DURANGO CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2009
 
 
CLIMATE NORMAL PERIOD 9999 TO 9999  
CLIMATE RECORD PERIOD 9999 TO 9999  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH MM MM  
LOW MM MM  
HIGHEST 74 10/18 MM MM 79 10/01  
LOWEST 11 10/29 MM MM 13 10/23  
AVG. MAXIMUM 59.2 MM MM 66.3  
AVG. MINIMUM 29.0 MM MM 29.6  
MEAN 44.1 MM MM 48.0  
DAYS MAX >= 90 0 MM MM 0  
DAYS MAX <= 32 0 MM MM 0  
DAYS MIN <= 32 19 MM MM 18  
DAYS MIN <= 0 0 MM MM 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM MM MM  
MINIMUM MM MM  
TOTALS 1.34 MM MM 0.92  
DAILY AVG. 0.04 MM MM 0.03  
DAYS >= .01 8 MM MM 3  
DAYS >= .10 5 MM MM 2  
DAYS >= .50 0 MM MM 1  
DAYS >= 1.00 0 MM MM 0  
GREATEST  
24 HR. TOTAL 0.33 10/20 TO 10/21 0.77  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL MM MM  
TOTALS MM MM MM MM  
SINCE 7/1 MM MM MM MM  
SNOWDEPTH AVG. MM MM MM MM  
DAYS >= 1.0 MM MM MM MM  
GREATEST  
SNOW DEPTH MM MM MM  
24 HR TOTAL MM MM  
 
DEGREE_DAYS  
HEATING TOTAL 640 MM MM 520  
SINCE 7/1 828 MM MM 689  
COOLING TOTAL 0 MM MM 0  
SINCE 1/1 281 MM MM 314    
.............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 5.6  
HIGHEST WIND SPEED/DIRECTION 30/200 DATE 10/28  
HIGHEST GUST SPEED/DIRECTION 40/190 DATE 10/04  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
 
NUMBER OF DAYS FAIR 22  
NUMBER OF DAYS PC 8  
NUMBER OF DAYS CLOUDY 1  
 
AVERAGE RH (PERCENT) 54  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 3 MIXED PRECIP 0  
HEAVY RAIN 2 RAIN 4  
LIGHT RAIN 8 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 2 SNOW 2  
LIGHT SNOW 3 SLEET 0  
FOG 7 FOG W/VIS <= 1/4 MILE 3  
HAZE 11  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.    
...............................
 
 
 
...THE CANYONLANDS AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2009...  
 
CLIMATE NORMAL PERIOD 9999 TO 9999  
CLIMATE RECORD PERIOD 9999 TO 9999  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH MM MM  
LOW MM MM  
HIGHEST 79 10/19 MM MM 86 10/01  
10/18  
LOWEST 22 10/31 MM MM 25 10/14  
AVG. MAXIMUM 64.4 MM MM 69.6  
AVG. MINIMUM 36.4 MM MM 38.2  
MEAN 50.4 MM MM 53.9  
DAYS MAX >= 90 0 MM MM 0  
DAYS MAX <= 32 0 MM MM 0  
DAYS MIN <= 32 9 MM MM 9  
DAYS MIN <= 0 0 MM MM 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM MM MM  
MINIMUM MM MM  
TOTALS 0.31 MM MM 0.41  
DAILY AVG. 0.01 MM MM 0.01  
DAYS >= .01 3 MM MM 1  
DAYS >= .10 1 MM MM 1  
DAYS >= .50 0 MM MM 0  
DAYS >= 1.00 0 MM MM 0  
GREATEST  
24 HR. TOTAL 0.27 10/20 TO 10/20 0.41  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL MM MM  
TOTALS MM MM MM MM  
SINCE 7/1 MM MM MM MM  
SNOWDEPTH AVG. MM MM MM MM  
DAYS >= 1.0 MM MM MM MM  
GREATEST  
SNOW DEPTH MM MM MM  
24 HR TOTAL MM MM  
 
DEGREE_DAYS  
HEATING TOTAL 446 MM MM 343  
SINCE 7/1 488 MM MM 363  
COOLING TOTAL 2 MM MM 5  
SINCE 1/1 1337 MM MM 1376    
.............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 6.0  
HIGHEST WIND SPEED/DIRECTION 36/210 DATE 10/04  
HIGHEST GUST SPEED/DIRECTION 46/220 DATE 10/04  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
 
NUMBER OF DAYS FAIR 25  
NUMBER OF DAYS PC 4  
NUMBER OF DAYS CLOUDY 2  
 
AVERAGE RH (PERCENT) 38  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 1 MIXED PRECIP 0  
HEAVY RAIN 0 RAIN 1  
LIGHT RAIN 4 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 3 SLEET 0  
FOG 3 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.    
...............................
 
 
   
..THE CRAIG CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2009
 
 
CLIMATE NORMAL PERIOD 9999 TO 9999  
CLIMATE RECORD PERIOD 9999 TO 9999  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH MM MM  
LOW MM MM  
HIGHEST 76 10/18 MM MM 80 10/01  
LOWEST 10 10/26 MM MM 11 10/27  
AVG. MAXIMUM 54.8 MM MM 63.5  
AVG. MINIMUM 26.8 MM MM 23.8  
MEAN 40.8 MM MM 43.7  
DAYS MAX >= 90 0 MM MM 0  
DAYS MAX <= 32 2 MM MM 0  
DAYS MIN <= 32 23 MM MM 26  
DAYS MIN <= 0 0 MM MM 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM MM MM  
MINIMUM MM MM  
TOTALS 0.71 MM MM 0.98  
DAILY AVG. 0.02 MM MM 0.03  
DAYS >= .01 12 MM MM 6  
DAYS >= .10 2 MM MM 3  
DAYS >= .50 0 MM MM 0  
DAYS >= 1.00 0 MM MM 0  
GREATEST  
24 HR. TOTAL 0.38 09/30 TO 10/01 0.45  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL MM MM  
TOTALS MM MM MM MM  
SINCE 7/1 MM MM MM MM  
SNOWDEPTH AVG. MM MM MM MM  
DAYS >= 1.0 MM MM MM MM  
GREATEST  
SNOW DEPTH MM MM MM  
24 HR TOTAL MM MM  
 
DEGREE_DAYS  
HEATING TOTAL 744 MM MM 654  
SINCE 7/1 1052 MM MM 1028  
COOLING TOTAL 0 MM MM 0  
SINCE 1/1 77 MM MM 173    
.............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 5.5  
HIGHEST WIND SPEED/DIRECTION 39/220 DATE 10/04  
HIGHEST GUST SPEED/DIRECTION 55/220 DATE 10/04  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
 
NUMBER OF DAYS FAIR 10  
NUMBER OF DAYS PC 12  
NUMBER OF DAYS CLOUDY 9  
 
AVERAGE RH (PERCENT) 60  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 2 MIXED PRECIP 0  
HEAVY RAIN 0 RAIN 2  
LIGHT RAIN 10 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 1  
LIGHT SNOW 5 SLEET 0  
FOG 9 FOG W/VIS <= 1/4 MILE 0  
HAZE 4  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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