LOCAL CLIMATOLOGICAL DATA
Month: 09 / 2025
Station Location: ThorntonWeather.com, Thornton, CO
Lat.039:54:58 Long.0104:55:49
Elevation: 5193 Feet Above Sea Level
Temperature
(Farenheit)
Degree Days
Base 64 Degrees
  Snow/
Ice On
Ground
(in.)
Rain
(in.)
Pressure
(inches)
Wind-
speed
(mph)
D
A
Y
Max Min Avg Diff
From
Normal
Avg
Dew
Point
Avg
Wet
Bulb
Heating Cooling Sign.
Cond.
Sun
Hours
Max
Solar
w/m2
Max
UV
Snow-
fall
Water
Equiv.
Avg
Sea
Level
Avg
Speed
Max
Speed
Avg
Dir.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
084.2
086.2
086.8
088.6
063.9
083.6
085.9
089.1
086.3
092.0
089.0
082.7
077.4
075.7
085.6
075.4
070.1
074.1
080.0
082.4
082.9
076.3
053.5
070.0
080.5
083.6
082.3
080.4
079.4
079.7
-----
51.3
50.6
51.9
51.6
48.8
43.0
57.8
57.2
54.0
51.5
61.9
57.9
53.3
50.1
54.3
50.8
46.1
45.7
46.8
52.2
48.5
52.5
48.7
48.3
42.3
44.8
49.3
51.3
49.5
46.1
-----
68.0
68.0
70.9
71.6
57.8
62.4
69.9
72.6
69.6
71.3
72.5
69.2
62.7
61.9
69.1
63.1
56.2
59.0
63.5
66.0
65.1
61.8
50.6
57.0
59.7
64.8
64.4
64.2
60.9
63.2
-----
-3.4
-2.3
+1.3
+2.3
-10.2
-5.4
+2.6
+7.5
+5.4
+7.6
+9.2
+7.0
-1.0
-1.7
+4.8
-1.8
-7.4
-5.4
-2.2
+1.0
+3.2
+1.0
-11.5
-3.6
-0.6
+2.3
+3.4
+3.7
-0.1
-----
-----
45.2
45.2
42.9
43.5
41.3
45.0
48.6
44.7
43.6
47.0
51.0
48.4
48.5
47.0
39.2
45.7
47.0
44.8
42.6
47.7
46.0
46.7
48.3
47.5
40.0
39.5
44.4
48.2
47.9
45.2
-----
56.3
56.3
56.7
57.2
50.0
53.6
58.5
58.1
56.4
58.4
60.6
58.1
55.3
54.3
54.6
54.3
51.6
52.0
53.2
56.4
55.3
54.1
49.5
52.2
50.5
52.7
54.3
55.8
54.2
54.1
-----
00.0
00.0
00.0
00.0
07.2
02.5
00.0
00.0
00.0
00.0
00.0
00.0
02.2
03.0
00.0
01.8
08.7
05.9
01.5
00.0
00.0
03.1
14.4
08.0
05.3
00.2
00.6
00.8
04.1
01.7
-----
03.1
03.1
06.0
06.6
00.0
00.0
04.9
07.7
04.7
06.4
07.6
04.3
00.0
00.0
04.1
00.0
00.0
00.0
00.0
01.0
00.2
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
-----
-----
-----
-----
-----
-----
-----
-----
-----
-----
HOT
-----
-----
-----
-----
-----
RAIN
-----
-----
-----
-----
-----
-----
RAIN
-----
-----
-----
-----
-----
-----
-----
-----
10.6
08.1
10.7
09.7
02.6
09.4
06.0
06.5
05.6
07.7
06.4
01.9
04.5
05.2
09.6
06.6
08.1
09.7
06.1
06.8
05.8
02.6
00.0
08.4
09.7
08.8
08.8
08.6
05.7
07.0
-----
807.0
793.0
780.0
763.0
548.0
731.0
1104.0
988.0
879.0
766.0
842.0
550.0
835.0
1172.0
751.0
858.0
870.0
738.0
884.0
1014.0
981.0
766.0
213.0
742.0
745.0
768.0
703.0
710.0
912.0
780.0
-----
07.0
06.8
06.7
06.1
03.4
05.6
07.6
07.2
07.1
06.6
06.7
04.4
06.8
07.1
06.3
06.2
06.2
06.2
06.7
06.9
07.1
05.6
01.8
05.5
05.8
06.0
05.7
05.6
06.1
05.6
-----
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
-----
00.00
00.00
00.00
00.01
00.00
00.01
00.00
00.00
00.00
00.04
00.00
00.00
00.04
00.00
00.00
00.61
00.01
00.00
00.00
00.00
00.00
00.17
01.21
00.01
00.00
00.00
00.00
00.00
00.00
00.00
-----
29.87
29.83
29.69
29.52
29.72
29.80
29.70
29.63
29.57
29.59
29.56
29.58
29.57
29.63
29.67
29.74
29.86
29.82
29.72
29.66
29.57
29.57
29.91
30.06
29.85
29.61
29.69
29.65
29.72
29.66
-----
01.5
01.8
01.5
03.2
03.3
01.2
01.3
03.1
02.0
02.4
02.2
02.1
02.8
01.8
03.6
04.3
02.5
02.0
02.1
01.4
01.8
01.7
02.6
01.0
01.1
01.2
01.7
01.6
02.4
01.4
-----
13.8
21.9
19.6
23.0
13.8
13.8
11.5
28.8
23.0
24.1
24.1
27.6
29.9
13.8
20.7
25.3
18.4
12.7
12.7
19.6
21.9
25.3
16.1
13.8
10.3
12.7
13.8
17.3
21.9
11.5
-----
~072
~332
~125
~032
~052
~249
~223
~290
~265
~161
~214
~255
~293
~047
~165
~359
~036
~072
~102
~004
~211
~334
~358
~167
~143
~174
~042
~273
~188
~142
-----
  80.3

50.6

64.6

+0.3

45.4

54.8

0002.4

0002.0

  Total
207.0
    Total
0.00
Total
2.09
29.700

02.1

18.7

064


Maximum Temperature: 92.0
Minimum Temperature: 42.3
Maximum Pressure: 30.16
Minimum Pressure: 29.39
Maximum Daily Precip: 1.21 in
Maximum Daily Snowfall: 0.00 in

Gale: 0 Day(s)
Maximum Wind: 29.9
Wind Run: 1503.9miles
Heating Degree Days: 070.9
Cooling Degree Days: 059.5

Max. Temp. >= 90 Was 1 Day(s)
Max. Temp. <= 32 Was 0 Day(s)
Min. Temp. <= 32 Was 0 Day(s)
Min. Temp. <= 0 Was 0 Day(s)
Precipitation >=.01inch Was 9 Day(s)
Precipitation >=.10inch Was 3 Day(s)
Snowfall >=1.0inch Was 0 Day(s)