Weather History for Grand Junction, CO

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 92 °F 82 °F 58 °F
Mean Temperature 77 °F 68 °F 52 °F
Min Temperature 64 °F 52 °F 44 °F
Degree Days  
Heating Degree Days (base 65) 13 1 0 38
Cooling Degree Days (base 65) 12 4 0 115
Growing Degree Days (base 50) 27 17 2 520
Dew Point  
Dew Point 63 °F 34 °F 12 °F
Precipitation  
Precipitation 0.15 in 0.02 in 0.00 in 0.46 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 32 mph 7 mph 0 mph
Gust Wind 39 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.28 in 30.00 in 29.77 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 16, 2012 Rise Set
Actual Time 6:56 AM MDT 7:20 PM MDT
Civil Twilight 6:30 AM MDT 7:46 PM MDT
Nautical Twilight 5:58 AM MDT 8:18 PM MDT
Astronomical Twilight 5:26 AM MDT 8:50 PM MDT
Moon 7:39 AM MDT (9/16) 7:27 PM MDT (9/16)
Length of Visible Light 13h 16m
Length of Day
12h 23m
New Moon, 1% of the Moon is Illuminated
Sep 16
New Moon
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New

Weather History Calendar

Precipitation Actual month total 0.46 Normal Month Total: 1.19
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Thunderstorm
Actual:
90 | 64 T
Average:
86 | 58 0.04
Scattered Clouds
Actual:
85 | 57 0.00
Average:
86 | 57 0.03
Scattered Clouds
Actual:
92 | 58 0.00
Average:
85 | 57 0.04
Clear
Actual:
92 | 59 0.00
Average:
85 | 57 0.04
Clear
Actual:
91 | 54 0.00
Average:
85 | 56 0.03
Scattered Clouds
Actual:
92 | 56 T
Average:
84 | 56 0.04
Rain
Actual:
86 | 60 0.03
Average:
84 | 55 0.04
Clear
Actual:
86 | 54 0.00
Average:
84 | 55 0.04
Clear
Actual:
88 | 53 0.00
Average:
83 | 55 0.04
Scattered Clouds
Actual:
89 | 57 0.00
Average:
83 | 54 0.04
Thunderstorm
Actual:
76 | 62 0.15
Average:
82 | 54 0.03
Rain
Actual:
82 | 56 0.03
Average:
82 | 54 0.04
Clear
Actual:
83 | 46 0.00
Average:
81 | 53 0.04
Clear
Actual:
86 | 50 0.00
Average:
81 | 53 0.04
Clear
Actual:
87 | 53 0.00
Average:
81 | 52 0.04
Clear
Actual:
86 | 52 0.00
Average:
80 | 52 0.04
Scattered Clouds
Actual:
81 | 52 T
Average:
80 | 52 0.04
Clear
Actual:
83 | 49 0.00
Average:
79 | 51 0.05
Clear
Actual:
84 | 48 0.00
Average:
79 | 51 0.04
Clear
Actual:
83 | 48 0.00
Average:
78 | 50 0.04
Clear
Actual:
86 | 47 0.00
Average:
78 | 50 0.04
Clear
Actual:
85 | 49 0.00
Average:
77 | 49 0.05
Scattered Clouds
Actual:
82 | 53 T
Average:
77 | 49 0.04
Rain
Actual:
72 | 54 0.08
Average:
76 | 49 0.04
Rain
Actual:
63 | 50 0.04
Average:
76 | 48 0.05
Rain
Actual:
58 | 45 0.13
Average:
75 | 48 0.04
Scattered Clouds
Actual:
71 | 45 0.00
Average:
75 | 47 0.03
Clear
Actual:
76 | 45 0.00
Average:
75 | 47 0.04
Scattered Clouds
Actual:
79 | 48 0.00
Average:
74 | 47 0.04
Scattered Clouds
Actual:
80 | 44 0.00
Average:
74 | 46 0.04
 

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

2012 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 90 77 64 54 48 41 63 41 19 30.17 29.92 29.78 10 10 10 30 7 36 T Rain , Thunderstorm
2 85 71 57 56 49 44 73 52 30 30.18 29.97 29.93 10 10 10 20 5 26 0.00  
3 92 75 58 49 37 19 62 35 7 30.15 29.97 29.88 10 10 10 17 4 22 0.00  
4 92 76 59 39 27 16 36 22 7 30.08 29.94 29.85 10 10 10 16 5 22 0.00  
5 91 73 54 30 21 14 35 21 6 30.02 29.92 29.84 10 10 10 17 6 22 0.00  
6 92 74 56 47 29 21 38 24 9 30.07 29.87 29.77 10 10 10 28 9 36 T  
7 86 73 60 58 47 28 90 53 16 30.06 30.00 29.95 10 10 10 22 6 26 0.03 Rain
8 86 70 54 34 28 23 45 28 11 30.25 30.06 29.96 10 10 10 15 6 17 0.00  
9 88 71 53 35 31 22 35 25 14 30.27 30.00 29.88 10 10 10 17 8 21 0.00  
10 89 73 57 42 37 32 40 28 16 29.96 29.86 29.77 10 10 10 16 7 20 0.00  
11 76 69 62 63 51 36 84 56 27 30.08 29.88 29.78 10 10 9 25 9 33 0.15 Rain , Thunderstorm
12 82 69 56 61 46 18 97 54 11 30.19 30.01 29.90 10 10 10 22 7 26 0.03 Rain
13 83 65 46 33 27 21 49 30 11 30.28 30.19 30.10 10 10 10 14 6 16 0.00  
14 86 68 50 33 27 20 46 28 10 30.27 30.16 30.06 10 10 10 16 8 17 0.00  
15 87 70 53 30 26 18 35 23 10 30.18 30.07 29.97 10 10 10 16 7 17 0.00  
16 86 69 52 30 22 14 35 18 4 30.18 29.96 29.86 10 10 10 17 7 20 0.00  
17 81 67 52 39 27 15 40 26 12 30.00 29.91 29.81 10 10 9 24 6 33 T  
18 83 66 49 29 24 15 42 26 10 30.12 30.03 29.96 10 10 10 15 8 18 0.00  
19 84 66 48 26 21 15 35 22 9 30.12 30.04 29.96 10 10 10 14 7 16 0.00  
20 83 66 48 24 19 12 28 18 7 30.20 30.02 29.93 10 10 10 15 7 20 0.00  
21 86 67 47 24 20 12 30 19 8 30.09 29.99 29.91 10 10 9 16 6 18 0.00  
22 85 67 49 27 21 14 33 21 8 30.10 30.01 29.94 10 10 9 16 8 20 0.00  
23 82 68 53 34 26 19 28 21 14 30.11 30.00 29.95 10 10 8 20 6 22 T  
24 72 63 54 55 48 33 100 63 25 30.17 29.97 29.83 10 10 10 32 14 39 0.08 Rain
25 63 57 50 51 49 48 96 80 64 30.08 29.95 29.88 10 10 9 25 10 29 0.04 Rain
26 58 52 45 51 48 45 100 86 72 30.15 30.06 29.97 10 10 6 17 9 21 0.13 Rain
27 71 58 45 48 45 40 100 67 33 30.16 30.10 30.04 10 10 10 10 4 12 0.00  
28 76 61 45 45 40 35 86 55 23 30.13 30.03 29.94 10 10 10 15 6 16 0.00  
29 79 64 48 40 37 31 71 45 18 30.12 30.03 29.95 10 10 10 16 7 21 0.00  
30 80 62 44 37 33 27 65 41 16 30.14 30.06 30.00 10 10 10 17 5 20 0.00