Weather History for Cortez, CO

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Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 91 °F 78 °F 57 °F
Mean Temperature 75 °F 63 °F 45 °F
Min Temperature 59 °F 48 °F 28 °F
Degree Days  
Heating Degree Days (base 65) 20 4 0 117
Cooling Degree Days (base 65) 10 2 0 62
Growing Degree Days (base 50) 26 13 0 397
Dew Point  
Dew Point 59 °F 45 °F 18 °F
Precipitation  
Precipitation 0.85 in 0.13 in 0.00 in 3.25 in
Snowdepth - - - -
Wind  
Wind 31 mph 5 mph 0 mph
Gust Wind 37 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.29 in 29.95 in 29.54 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 30, 2013 Rise Set
Actual Time 7:09 AM MDT 6:58 PM MDT
Civil Twilight 6:43 AM MDT 7:24 PM MDT
Nautical Twilight 6:13 AM MDT 7:54 PM MDT
Astronomical Twilight 5:42 AM MDT 8:25 PM MDT
Moon 2:54 AM MDT (9/30) 4:27 PM MDT (9/30)
Length of Visible Light 12h 41m
Length of Day
11h 49m
Waning Crescent, 18% of the Moon is Illuminated
Sep 30
Waning Crescent
Oct 4
New
Oct 11
First Quarter
Oct 18
Full
Oct 26
Last Quarter

Weather History Calendar

Precipitation Actual month total 3.25 Normal Month Total: 1.78
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Scattered Clouds
Actual:
88 | 56 0.01
Average:
82 | 49 0.05
Clear
Actual:
87 | 57 0.00
Average:
82 | 48 0.04
Thunderstorm
Actual:
87 | 56 T
Average:
82 | 48 0.05
Scattered Clouds
Actual:
90 | 56 T
Average:
82 | 48 0.05
Thunderstorm
Actual:
90 | 59 0.00
Average:
81 | 47 0.05
Clear
Actual:
90 | 52 0.00
Average:
81 | 47 0.06
Scattered Clouds
Actual:
91 | 51 0.00
Average:
81 | 46 0.05
Partly Cloudy
Actual:
78 | 57 T
Average:
80 | 46 0.06
Thunderstorm
Actual:
79 | 56 0.85
Average:
80 | 46 0.06
Rain
Actual:
67 | 57 0.24
Average:
80 | 45 0.06
Partly Cloudy
Actual:
76 | 54 T
Average:
79 | 45 0.06
Thunderstorm
Actual:
76 | 53 0.69
Average:
79 | 44 0.05
Thunderstorm
Actual:
78 | 51 0.03
Average:
79 | 44 0.05
Thunderstorm
Actual:
76 | 55 0.36
Average:
78 | 43 0.06
Rain
Actual:
74 | 52 0.03
Average:
78 | 43 0.07
Clear
Actual:
78 | 49 0.00
Average:
78 | 43 0.07
Thunderstorm
Actual:
80 | 54 0.04
Average:
77 | 42 0.07
Thunderstorm
Actual:
80 | 52 0.37
Average:
77 | 42 0.08
Clear
Actual:
77 | 47 0.00
Average:
77 | 41 0.07
Clear
Actual:
80 | 40 0.00
Average:
76 | 41 0.07
Partly Cloudy
Actual:
81 | 50 T
Average:
76 | 41 0.08
Thunderstorm
Actual:
71 | 41 0.48
Average:
76 | 40 0.07
Clear
Actual:
67 | 38 0.00
Average:
75 | 40 0.07
Clear
Actual:
73 | 34 0.00
Average:
75 | 39 0.05
Clear
Actual:
79 | 43 0.00
Average:
74 | 39 0.06
Rain
Actual:
77 | 48 0.03
Average:
74 | 39 0.05
Rain
Actual:
57 | 33 0.12
Average:
74 | 38 0.06
Clear
Actual:
63 | 28 0.00
Average:
73 | 38 0.05
Clear
Actual:
70 | 28 0.00
Average:
73 | 37 0.06
Clear
Actual:
75 | 34 0.00
Average:
72 | 37 0.05
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 88 72 56 56 53 49 86 56 26 30.01 29.94 29.87 10 10 10 26 6 36 0.01  
2 87 72 57 56 52 47 86 56 26 30.05 29.97 29.89 10 10 10 12 4 21 0.00  
3 87 72 56 56 52 50 80 55 30 30.21 30.03 29.97 10 10 10 21 4 26 T Thunderstorm
4 90 73 56 56 52 46 86 55 24 30.10 30.03 29.96 10 10 10 14 3 17 T  
5 90 75 59 56 45 38 61 39 16 30.28 30.03 29.93 10 10 9 17 5 21 0.00 Thunderstorm
6 90 71 52 48 42 34 71 43 14 30.10 30.00 29.92 10 10 10 14 4 17 0.00  
7 91 71 51 49 43 37 77 47 16 30.02 29.94 29.85 10 10 10 17 5 24 0.00  
8 78 68 57 53 51 49 77 59 40 29.97 29.90 29.84 10 10 10 22 7 28 T  
9 79 68 56 58 55 49 93 66 38 30.11 29.95 29.78 10 8 1 26 4 33 0.85 Rain , Thunderstorm
10 67 62 57 59 56 52 93 78 63 30.14 29.98 29.84 10 9 1 16 5 21 0.24 Rain
11 76 65 54 57 54 48 90 64 38 30.19 30.03 29.93 10 10 10 14 4 16 T  
12 76 65 53 59 54 49 93 71 49 30.27 30.08 29.91 10 8 0 26 4 32 0.69 Rain , Thunderstorm
13 78 65 51 57 53 49 93 67 40 30.04 29.92 29.81 10 10 10 31 4 35 0.03 Rain , Thunderstorm
14 76 66 55 57 52 49 86 64 41 30.09 29.91 29.78 10 9 2 15 4 20 0.36 Rain , Thunderstorm
15 74 63 52 55 52 50 93 70 46 30.02 29.97 29.90 10 10 10 13 3 14 0.03 Rain
16 78 64 49 53 50 43 93 61 28 30.10 30.03 29.96 10 10 10 12 2 16 0.00  
17 80 67 54 55 51 46 93 63 32 30.02 29.90 29.77 10 10 10 21 6 26 0.04 Thunderstorm
18 80 66 52 57 54 52 93 66 39 30.04 29.87 29.73 10 9 1 23 7 32 0.37 Rain , Thunderstorm
19 77 62 47 52 45 33 96 58 20 29.98 29.91 29.82 10 10 10 14 3 18 0.00  
20 80 60 40 45 39 31 89 54 19 30.08 29.98 29.91 10 10 10 10 3 14 0.00  
21 81 66 50 49 45 40 83 54 25 29.98 29.87 29.74 10 10 10 17 5 22 T  
22 71 56 41 54 49 37 93 71 48 29.96 29.75 29.54 10 9 2 26 9 36 0.48 Rain , Thunderstorm
23 67 53 38 41 38 35 92 63 34 30.10 29.96 29.78 10 10 10 18 8 25 0.00  
24 73 54 34 40 36 31 89 57 25 30.17 30.05 29.90 10 10 9 15 5 22 0.00  
25 79 61 43 38 33 26 76 46 16 29.86 29.70 29.56 10 10 10 30 12 37 0.00  
26 77 63 48 46 29 24 72 44 15 29.69 29.62 29.54 10 10 6 29 14 37 0.03 Rain
27 57 45 33 48 35 21 86 56 26 30.12 29.89 29.64 10 9 4 24 6 28 0.12 Rain
28 63 46 28 31 27 21 92 56 20 30.25 30.21 30.14 10 10 10 9 4 9 0.00  
29 70 49 28 34 27 18 85 50 14 30.29 30.17 30.07 10 10 10 13 4 15 0.00  
30 75 55 34 34 28 20 82 48 13 30.09 30.00 29.92 10 10 10 12 5 16 0.00