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Weather station records and averages

 Reflects data collected since October 25, 2006    
when ThorntonWeather.com went live.

Local Station History
 Since: October 25, 2006

 
Updated: @ 23-Sep-2026 4:40pm - next update at 4:50pm  
Measurement: Current: Yesterday Month / MTD Year / YTD Station Record
Temperature: Warmer 0.3°F than last hour.
Thermometer Average:
Maximum
Temperature:
Minimum
Temperature:
73.0°F
65.4°F
73.5°F
4:19 PM
57.5°F
6:19 AM
 
65.5°F
84.3°F
2:46 PM
49.4°F
6:48 AM
 
70.1°F
96.0°F
Sep-13
49.2°F
Sep-10
 
59.9°F
104.4°F
Jul-25
-0.2°F
Jan-25
 
---
104.4°F
25-Jul-2026
-14.6°F
02-Feb-2011
Wind Chill:
Wind Chill Minimum
Wind Chill:
73.0°F
57.5°F 
6:19 AM
 
49.4°F
6:48 AM
 
48.6°F
Sep-10
 
-8.5°F
Jan-24
 
-31.0°F
22-Dec-2022
Heat Index:
Heat Index Maximum
Heat Index:
77.1°F
73.5°F
4:19 PM
 
81.9°F
2:45 PM
 
92.2°F
Sep-13
 
103.5°F
Jul-26
 
103.5°F
26-Jul-2026
Solar Radiation W/m2:
Heat Index Maximum
Solar Radiation:
Sunshine
Hours:
146
464
10:05 AM
02
Hours
 
745.0
12:54 PM
08
Hours
 
970.0
Sep-11
168
Hours
 
1285.0
Apr-28
1505
Hours
 
1461.0
08-Jul-2019
---
 
Evapotranspiration:
Heat Index Watering
Index1:
0.111
0.111
in
 
0.190
in
 
3.97
in
 
---
 
 
---
 
UV:   Low 
UV Index Maximum
UV Index:
0.9
3.1
12:42 PM
 
6.1
12:57 PM
 
7.8
Sep-07
 
10.2
Jul-23
 
15.2
03-Jul-2009
Rain / Snow Melt2:
Rain / Snow Melt Rainfall
or Melt:
Average:
Percent of Average:
0.00 in
0.00 in
 
---
---
 
0.00 in
 
---
---
 
0.60 in
 
1.48 in
40.5%
 
6.60 in
 
15.33 in
43.1%
Rec Year5
21.58 in
2013
---
---
Snow3:
Snow Snow
Fall:
Average:
Percent of Average:
0.00 in
0.00 in
 
---
---
 
0.00 in
 
---
---
 
0.00 in
 
0.3 in
0.0%
Season4
0.00 in
 
55.8 in
0.0%
Rec Season5
84.3 in
2019/2020
---
---
Measurement: Current: Yesterday Month / MTD Year / YTD Station Record
Humidity:
Humidity Maximum
Humidity:
Minimum
Humidity:
48%
77%
5:56 AM
46%
4:21 PM
 
90%
7:21 AM
22%
3:17 PM
 
92%
Sep-06
10%
Sep-10
 
96%
Apr-02
3%
Apr-22
 
100%
12-Feb-2007
0%
01-Jan-2008
Dew Point:
Dew Point Maximum
Dew Point:
Minimum
Dew Point:
52.1°F
55.2°F
10:30 AM
48.5°F
12:04 AM
 
53.9°F
12:36 PM
38.9°F
4:59 PM
 
66.9°F
Sep-06
25.0°F
Sep-10
 
69.8°F
Jun-26
-6.9°F
Jan-26
 
73.2°F
03-Aug-2007
-17.3°F
16-Jan-2024
Wind: ESE
wind Maximum
Avg Wind Speed:
Avg Wind Gust:
Maximum
Wind Gust:
Wind
Run:
4.1 mph
10.3 mph
12:06 AM
2.8 mph
16.1 mph
12:03 AM
46.29
Miles
 
20.6 mph
8:47 PM
---
27.0 mph 8:35 PM
83.41
Miles
 
30.0 mph
Sep-06
---
39.0 mph
Sep-06
1664.76
Miles
 
31.3 mph
Feb-25
---
43.0 mph
Feb-25
25097.39
Miles
 
49.3 mph
17-Feb-2009
---
62.1 mph
17-Apr-2018
---
 
Barometer:   ( inHg)
Barometer Maximum
Barometer:
Minimum
Barometer:
29.665
29.692
9:35 AM
29.615
3:39 AM
 
29.780
7:22 AM
29.591
5:56 PM
 
29.929
Sep-09
29.286
Sep-14
 
30.502
Feb-22
28.990
Jun-27
 
31.086
30-Dec-2014
25.130
17-Dec-2006
Measurement: Current: Yesterday Month / MTD Year / YTD Station Record
Version 3.02 - 31-Dec-2011 - Script by: WebsterWeatherLIVE.com
1Estimated amount of water needed to replace the water used by plants and evaporation from the past week.
(Negative numbers mean amount of water needed, positive numbers mean excess water is present.)
2Rain season: Jan 1st to Dec 31st.   3Snow manually measured    4Snow season July 1st to June 30th.
5From this station's records based on complete years data for rain/snow season. Does not include current year/season