Weather History for Rock Hill, SC

Change the Weather History Date:

Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 93 °F 82 °F 72 °F
Mean Temperature 83 °F 71 °F 62 °F
Min Temperature 73 °F 62 °F 48 °F
Degree Days  
Heating Degree Days (base 65) 4 0 0 6
Cooling Degree Days (base 65) 18 7 0 197
Growing Degree Days (base 50) 33 21 12 638
Dew Point  
Dew Point 76 °F 64 °F 39 °F
Precipitation  
Precipitation 1.02 in 0.09 in 0.00 in 2.69 in
Snowdepth - - - -
Wind  
Wind 29 mph 4 mph 0 mph
Gust Wind 37 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.36 in 30.06 in 29.72 in

Monthly Weather History Graph

Monthly Weather History Graph

Search for Another Location

Airport:

Trip Planner

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

Sep. 09, 2012 Rise Set
Actual Time 7:03 AM EDT 7:39 PM EDT
Civil Twilight 6:37 AM EDT 8:04 PM EDT
Nautical Twilight 6:07 AM EDT 8:34 PM EDT
Astronomical Twilight 5:36 AM EDT 9:05 PM EDT
Moon 12:41 AM EDT (9/9) 3:13 PM EDT (9/9)
Length of Visible Light 13h 26m
Length of Day
12h 35m
Last Quarter, 39% of the Moon is Illuminated
Sep 9
Last Quarter
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter

Weather History Calendar

Precipitation Actual month total 2.69 Average Month Total: 4.40
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
93 | 73 0.02
Average:
86 | 67 0.09
Thunderstorm
Actual:
93 | 71 0.24
Average:
85 | 66 0.10
Thunderstorm
Actual:
88 | 71 0.11
Average:
85 | 66 0.26
Thunderstorm
Actual:
86 | 73 0.71
Average:
84 | 66 0.19
Partly Cloudy
Actual:
84 | 72 0.00
Average:
82 | 64 0.26
Thunderstorm
Actual:
87 | 71 0.00
Average:
84 | 64 0.22
Partly Cloudy
Actual:
88 | 70 0.00
Average:
84 | 64 0.12
Thunderstorm
Actual:
89 | 68 0.18
Average:
84 | 64 0.07
Rain
Actual:
79 | 61 0.00
Average:
83 | 63 0.22
Scattered Clouds
Actual:
81 | 55 0.00
Average:
83 | 64 0.11
Partly Cloudy
Actual:
78 | 60 0.00
Average:
84 | 62 0.03
Scattered Clouds
Actual:
81 | 55 0.00
Average:
84 | 62 0.07
Scattered Clouds
Actual:
80 | 54 0.00
Average:
83 | 62 0.16
Scattered Clouds
Actual:
82 | 57 0.00
Average:
83 | 62 0.17
Scattered Clouds
Actual:
84 | 61 0.00
Average:
83 | 63 0.09
Rain
Actual:
78 | 64 0.03
Average:
82 | 62 0.10
Rain
Actual:
79 | 66 1.02
Average:
81 | 61 0.23
Rain
Actual:
77 | 66 0.23
Average:
82 | 62 0.04
Scattered Clouds
Actual:
75 | 61 0.00
Average:
83 | 63 0.20
Clear
Actual:
78 | 55 0.00
Average:
82 | 63 0.08
Scattered Clouds
Actual:
82 | 55 0.00
Average:
82 | 63 0.11
Clear
Actual:
84 | 63 0.00
Average:
81 | 61 0.23
Scattered Clouds
Actual:
78 | 57 0.00
Average:
81 | 59 0.22
Clear
Actual:
73 | 50 0.00
Average:
79 | 58 0.07
Clear
Actual:
77 | 48 0.00
Average:
78 | 58 0.15
Clear
Actual:
82 | 55 0.00
Average:
80 | 59 0.16
Fog
Actual:
84 | 55 0.00
Average:
79 | 59 0.09
Scattered Clouds
Actual:
84 | 59 0.00
Average:
78 | 58 0.11
Thunderstorm
Actual:
75 | 63 0.15
Average:
76 | 58 0.12
Rain
Actual:
72 | 60 0.00
Average:
76 | 56 0.33
 

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 93 83 73 74 73 71 100 77 50 30.18 30.12 30.02 10 6 0 9 4 - 0.02 Rain
2 93 81 71 76 73 68 100 76 50 30.08 30.01 29.93 10 5 0 29 4 37 0.24 Fog , Rain , Thunderstorm
3 88 80 71 75 73 71 100 85 65 30.05 29.99 29.94 10 8 0 22 5 32 0.11 Rain , Thunderstorm
4 86 78 73 76 73 72 100 92 69 30.02 29.97 29.88 10 6 0 10 5 - 0.71 Fog , Rain , Thunderstorm
5 84 78 72 73 73 71 100 90 65 30.00 29.94 29.87 10 8 4 13 4 - 0.00  
6 87 78 71 76 73 71 100 89 65 30.00 29.93 29.88 10 8 5 10 5 - 0.00 Thunderstorm
7 88 79 70 73 71 67 100 87 55 30.02 29.93 29.86 10 7 2 7 1 - 0.00  
8 89 78 68 75 71 66 100 91 61 29.86 29.81 29.72 10 5 0 15 5 28 0.18 Fog , Rain , Thunderstorm
9 79 70 61 67 58 53 96 69 42 30.01 29.91 29.83 10 10 10 12 6 22 0.00 Rain
10 81 68 55 64 58 54 100 74 42 30.14 30.09 30.01 10 10 7 10 2 - 0.00  
11 78 69 60 63 60 56 100 76 50 30.31 30.24 30.15 10 10 9 8 1 - 0.00  
12 81 68 55 62 58 56 100 81 45 30.36 30.30 30.25 10 7 1 9 1 - 0.00  
13 80 66 54 63 59 53 100 79 50 30.35 30.29 30.24 10 9 6 6 2 - 0.00  
14 82 68 57 67 62 56 100 82 47 30.27 30.21 30.16 10 10 5 6 2 - 0.00  
15 84 72 61 66 63 59 100 79 44 30.19 30.14 30.08 10 8 2 7 1 - 0.00  
16 78 70 64 69 67 64 100 90 76 30.16 30.10 30.05 10 7 2 6 2 - 0.03 Rain
17 79 72 66 74 69 66 100 95 74 30.13 30.04 29.88 10 5 0 8 3 23 1.02 Fog , Rain
18 77 72 66 73 71 67 100 92 79 29.86 29.77 29.72 10 9 2 17 9 29 0.23 Rain
19 75 68 61 66 59 56 100 76 51 30.13 30.02 29.86 10 10 10 14 5 20 0.00  
20 78 66 55 63 58 55 100 80 52 30.18 30.12 30.06 10 9 7 7 1 - 0.00  
21 82 68 55 65 61 55 100 85 56 30.10 30.05 29.99 10 7 2 9 2 - 0.00  
22 84 74 63 67 64 60 100 77 43 30.01 29.97 29.90 10 9 6 15 7 21 0.00  
23 78 68 57 59 52 45 89 61 32 30.12 30.07 29.99 10 10 10 9 5 16 0.00  
24 73 62 50 52 45 39 97 60 35 30.24 30.19 30.13 10 10 10 12 5 21 0.00  
25 77 62 48 60 54 47 100 79 50 30.25 30.21 30.19 10 10 8 7 2 - 0.00  
26 82 68 55 63 59 55 100 82 45 30.24 30.19 30.15 10 9 6 8 4 - 0.00  
27 84 68 55 64 60 56 100 82 39 30.23 30.16 30.09 10 7 0 8 3 - 0.00 Fog
28 84 70 59 66 63 59 100 78 51 30.11 30.05 29.98 10 9 6 8 3 - 0.00  
29 75 68 63 68 65 63 100 96 79 30.02 29.95 29.86 10 5 2 8 2 - 0.15 Rain , Thunderstorm
30 72 66 60 65 61 52 100 87 49 29.93 29.90 29.85 10 8 4 10 4 - 0.00 Rain