LOCAL CLIMATOLOGICAL DATA
2009
Station Location: ThorntonWeather.com, Thornton, CO
Lat.039:54:58 Long.0104:55:49
Elevation: 5193 Above Sea Level
Temperature
(Fahrenheit)
Degree Days
Base 64 Degrees
  Snow
(in.)
Rain
(in.)
Pressure
(inHg)
Wind-
speed
(mph)
M
O
N
T
H
Max. Min. Avg. Dep.
From
Normal
Avg.
Dew
Point
Avg.
Wet
Bulb
Heating Cooling Sign.
Cond.
Sun
Hours
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
074.4
071.0
078.3
082.7
089.4
090.0
095.5
095.0
089.7
085.9
079.9
069.2
-5.8
11.6
12.0
16.9
38.4
42.4
44.0
44.0
35.9
16.3
12.1
-9.9
34.9
37.7
42.7
46.2
58.9
63.2
69.5
68.8
61.4
42.1
39.7
23.9
+4.4
+5.5
-0.1
-1.9
+2.7
-5.5
-3.7
-2.3
-1.9
-8.1
+0.3
-5.0
14.8
16.4
17.6
30.3
41.8
50.5
54.3
50.5
44.8
29.6
25.0
12.5
28.9
31.0
34.9
40.1
50.8
56.4
60.9
58.8
53.1
37.5
34.7
20.9
0930.0
0761.9
0687.7
0563.5
0212.3
0103.1
0021.1
0014.7
0140.9
0710.0
0758.2
1273.8
0000.0
0000.0
0000.0
0000.0
0025.0
0050.7
0161.2
0134.2
0034.9
0000.0
0000.0
0000.0
COLD
COLD
COLD
SNOW
-----
HOT
HOT
HOT
HOT
SNOW
COLD
COLD
129.9
168.5
199.0
147.9
157.8
133.5
139.8
168.4
150.0
133.5
139.1
114.8
05.4
01.9
17.6
07.2
00.0
00.0
00.0
00.0
00.0
15.9
08.0
15.3
00.33
00.08
01.01
04.06
01.65
03.44
01.82
01.00
00.80
01.86
00.65
00.51
30.12
29.99
29.85
29.88
29.86
29.78
29.85
29.85
29.94
29.99
30.11
30.17
05.4
04.7
04.7
05.3
03.2
02.3
02.1
01.9
01.8
02.7
02.4
03.1
41.4
54.0
39.1
47.1
34.5
33.4
34.5
33.4
35.6
44.9
28.8
38.0
~277
~272
~274
~290
~295
~303
~310
~312
~317
~320
~317
~312
  83.4
95.5
21.5
-9.9
49.1 -1.2 32.3 42.3 0514.8 0033.8   Total
1782.2
Total
71.42
Total
17.20
+1.697
29.950 03.3
+0.3
21.4
54.1
312
Degree Days
Yearly Total
Heating: 6177.4
Cooling: 406.0
Max. Temp. >= 90 Was 17 Day(s)
Max. Temp. <= 32 Was 18 Day(s)
Min. Temp. <= 32 Was 157 Day(s)
Min. Temp. <= 0 Was 4 Day(s)
Gale: 0 Day(s)
Wind Run: 28684.2miles
Max. Pressure: 30.70 On Day 28
Min. Pressure: 29.10 On Day 22
Max. 24-hr Precip: 1.86 in On Day 17
Precipitation >=.01inch Was 96 Day(s)
Precipitation >=.10inch Was 50 Day(s)
Snowfall >=1.0inch Was 18 Day(s)
Max. Snowfall: 6.81 in