Weather History for Greeley, CO

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Month of May, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 93 °F 76 °F 51 °F
Mean Temperature 73 °F 59 °F 45 °F
Min Temperature 53 °F 42 °F 33 °F
Degree Days  
Heating Degree Days (base 65) 20 7 0 204
Cooling Degree Days (base 65) 8 0 0 12
Growing Degree Days (base 50) 23 9 0 290
Dew Point  
Dew Point 55 °F 35 °F 14 °F
Precipitation  
Precipitation 0.14 in 0.01 in 0.00 in 0.23 in
Snowdepth - - - -
Wind  
Wind 36 mph 8 mph 0 mph
Gust Wind 48 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.39 in 29.99 in 29.44 in

Monthly Weather History Graph

Monthly Weather History Graph

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Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

May. 17, 2012 Rise Set
Actual Time 5:39 AM MDT 8:10 PM MDT
Civil Twilight 5:08 AM MDT 8:41 PM MDT
Nautical Twilight 4:30 AM MDT 9:20 PM MDT
Astronomical Twilight 3:46 AM MDT 10:04 PM MDT
Moon 3:40 AM MDT (5/17) 5:24 PM MDT (5/17)
Length of Visible Light 15h 33m
Length of Day
14h 30m
Waning Crescent, 9% of the Moon is Illuminated
May 17
Waning Crescent
May 20
New
May 28
First Quarter
Jun 4
Full
Jun 11
Last Quarter

Weather History Calendar

Precipitation Actual month total 0.23 Average Month Total: 1.85
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
78 | 46 0.00
Average:
64 | 37 0.05
Scattered Clouds
Actual:
80 | 44 0.00
Average:
65 | 37 0.05
Clear
Actual:
82 | 39 0.00
Average:
65 | 37 0.05
Clear
Actual:
87 | 44 0.00
Average:
65 | 37 0.05
Thunderstorm
Actual:
84 | 46 0.00
Average:
66 | 38 0.05
Partly Cloudy
Actual:
62 | 42 0.04
Average:
66 | 38 0.05
Mostly Cloudy
Actual:
51 | 41 0.05
Average:
66 | 38 0.05
Clear
Actual:
66 | 33 0.00
Average:
67 | 38 0.05
Clear
Actual:
80 | 35 0.00
Average:
67 | 39 0.05
Clear
Actual:
86 | 39 0.00
Average:
68 | 39 0.05
Mostly Cloudy
Actual:
53 | 39 0.00
Average:
68 | 39 0.05
Partly Cloudy
Actual:
53 | 37 0.00
Average:
69 | 40 0.06
Partly Cloudy
Actual:
66 | 35 0.00
Average:
69 | 40 0.06
Clear
Actual:
80 | 35 0.00
Average:
69 | 41 0.06
Clear
Actual:
82 | 39 0.00
Average:
70 | 41 0.06
Scattered Clouds
Actual:
87 | 42 0.00
Average:
70 | 41 0.06
Thunderstorm
Actual:
82 | 46 0.00
Average:
70 | 42 0.06
Clear
Actual:
86 | 44 0.00
Average:
70 | 42 0.07
Partly Cloudy
Actual:
62 | 42 0.00
Average:
70 | 43 0.07
Clear
Actual:
78 | 37 0.00
Average:
71 | 43 0.07
Clear
Actual:
87 | 44 0.00
Average:
71 | 44 0.07
Clear
Actual:
93 | 46 0.00
Average:
72 | 44 0.07
Thunderstorm
Actual:
69 | 48 0.14
Average:
72 | 45 0.07
Scattered Clouds
Actual:
68 | 46 0.00
Average:
73 | 45 0.07
Partly Cloudy
Actual:
69 | 46 0.00
Average:
73 | 46 0.07
Partly Cloudy
Actual:
93 | 53 0.00
Average:
74 | 46 0.07
Scattered Clouds
Actual:
73 | 46 0.00
Average:
74 | 47 0.07
Clear
Actual:
73 | 41 0.00
Average:
74 | 47 0.06
Clear
Actual:
78 | 42 0.00
Average:
74 | 47 0.06
Clear
Actual:
86 | 44 0.00
Average:
74 | 47 0.06
Scattered Clouds
Actual:
73 | 42 0.00
Average:
74 | 48 0.06
 

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
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 78 62 46 36 31 25 62 33 16 29.80 29.72 29.67 10 10 10 23 7 30 0.00  
2 80 62 44 45 38 30 76 46 17 29.92 29.82 29.75 10 10 10 29 9 43 0.00  
3 82 60 39 46 41 36 87 48 20 30.00 29.90 29.81 10 10 10 23 8 32 0.00  
4 87 66 44 45 36 28 76 37 12 29.93 29.86 29.80 10 10 4 15 7 22 0.00  
5 84 65 46 55 42 28 88 52 14 30.06 29.88 29.79 10 9 3 33 9 44 0.00 Thunderstorm
6 62 52 42 45 34 27 87 52 29 30.29 30.20 30.07 10 10 9 23 14 32 0.04  
7 51 46 41 43 40 36 87 79 58 30.36 30.28 30.22 10 9 2 13 6 - 0.05  
8 66 50 33 39 33 30 87 58 26 30.27 30.20 30.11 10 10 10 9 4 - 0.00  
9 80 58 35 39 32 23 87 47 13 30.16 30.02 29.90 10 10 10 12 4 - 0.00  
10 86 62 39 41 31 23 81 38 11 29.98 29.83 29.73 10 10 8 36 6 47 0.00  
11 53 46 39 36 30 25 81 57 43 30.36 30.26 29.99 10 10 9 29 13 36 0.00  
12 53 45 37 39 37 34 100 77 58 30.39 30.34 30.30 10 10 5 10 6 - 0.00  
13 66 50 35 43 38 34 93 65 35 30.36 30.31 30.25 10 10 7 9 6 - 0.00  
14 80 58 35 37 28 18 87 42 10 30.30 30.22 30.13 10 10 10 10 3 - 0.00  
15 82 60 39 36 29 25 65 34 12 30.27 30.19 30.11 10 10 7 15 6 21 0.00  
16 87 64 42 41 34 27 66 37 12 30.14 30.02 29.92 10 10 9 17 6 44 0.00  
17 82 64 46 41 37 30 66 39 16 29.92 29.84 29.76 10 10 5 24 5 30 0.00 Thunderstorm
18 86 65 44 45 36 27 71 40 13 29.78 29.68 29.59 10 10 6 36 7 48 0.00  
19 62 52 42 45 41 36 87 64 37 30.19 30.04 29.78 10 10 10 24 14 29 0.00  
20 78 58 37 45 38 32 93 54 20 30.27 30.21 30.15 10 10 7 12 5 22 0.00  
21 87 66 44 45 37 28 81 42 13 30.22 30.12 29.99 10 10 4 12 5 - 0.00  
22 93 70 46 45 35 25 71 34 10 29.99 29.79 29.60 10 10 10 17 6 24 0.00  
23 69 58 48 50 40 28 94 54 24 29.75 29.69 29.63 10 10 5 21 11 25 0.14 Thunderstorm
24 68 57 46 45 37 23 93 57 18 29.89 29.72 29.64 10 10 10 22 7 30 0.00  
25 69 58 46 50 44 39 82 64 46 29.92 29.84 29.74 10 10 7 26 13 33 0.00  
26 93 73 53 55 43 23 94 52 10 29.84 29.67 29.44 10 8 1 24 10 34 0.00  
27 73 60 46 43 25 14 66 29 11 29.92 29.82 29.60 10 10 5 30 10 36 0.00  
28 73 57 41 34 27 21 65 33 14 30.06 29.98 29.91 10 10 8 16 6 17 0.00  
29 78 60 42 37 32 27 66 36 16 30.20 30.09 29.98 10 10 9 13 7 17 0.00  
30 86 65 44 39 35 27 71 39 12 30.13 30.00 29.91 10 10 10 25 9 33 0.00  
31 73 58 42 41 37 36 76 47 27 30.22 30.13 30.05 10 10 10 10 5 - 0.00