|
|
|
Helena, MT
on Friday, December 5, 2008
| Daily Summary |
| | Actual | Average | Record |
| Temperature |
| Mean Temperature |
°F
|
24°F
|
|
| Max Temperature |
41°F
|
34°F
|
60°F
(1939) |
| Min Temperature |
18°F
|
14°F
|
-28°F
(1972) |
| Degree Days |
| Heating Degree Days |
35 |
41 |
|
| Month to date heating degree days |
167 |
203 |
|
| Since 1 July heating degree days |
1762 |
2233 |
|
| Cooling Degree Days |
0 |
0 |
|
| Month to date cooling degree days |
0 |
0 |
|
| Year to date cooling degree days |
490 |
277 |
|
| Moisture |
| Dew Point |
19°F
| | |
| Average Humidity |
70 |
|
|
| Maximum Humidity |
82 |
|
|
| Minimum Humidity |
58 |
|
|
| Precipitation |
| Precipitation |
0.00 in
|
0.01 in
|
0.35 in
(1986) |
| Month to date precipitation |
0.16 |
0.06 |
|
| Year to date precipitation |
8.68 |
10.92 |
|
| Snow |
| Snow |
0.00 in
|
in
|
in
() |
| Month to date snowfall |
2.3 |
|
|
| Since 1 July snowfall |
3.7 |
|
|
| Snow Depth |
0.00 in
|
| |
| Wind |
| Wind Speed |
2 mph
| | |
| Max Wind Speed |
10 mph
| | |
| Max Gust Speed |
14 mph
| | |
| Visibility |
10 miles
| | |
| Events |
| | |
|
| Key: T is trace of precipitation, MM is missing value |
|
Source: NWS Daily Summary |
| Time(MST) | Temperature | Dew Point | Humidity | Pressure | Visibility | Wind Direction | Wind Speed | Gust Speed | Precipitation | Events | Conditions |
|---|
| 12:53 AM |
19.0°F
|
10.9°F
|
71% |
30.42 in
|
10.0 miles
|
West |
3.5 mph
|
-
|
N/A |
|
Overcast |
| 1:53 AM |
19.9°F
|
10.9°F
|
68% |
30.40 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Overcast |
| 2:53 AM |
21.9°F
|
14.0°F
|
72% |
30.37 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Overcast |
| 3:53 AM |
23.0°F
|
14.0°F
|
68% |
30.35 in
|
10.0 miles
|
WSW |
3.5 mph
|
-
|
N/A |
|
Overcast |
| 4:53 AM |
24.1°F
|
14.0°F
|
65% |
30.34 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Overcast |
| 5:53 AM |
25.0°F
|
15.1°F
|
66% |
30.33 in
|
10.0 miles
|
West |
3.5 mph
|
-
|
N/A |
|
Overcast |
| 6:53 AM |
26.1°F
|
16.0°F
|
66% |
30.35 in
|
10.0 miles
|
SW |
3.5 mph
|
-
|
N/A |
|
Overcast |
| 7:53 AM |
28.0°F
|
19.0°F
|
69% |
30.32 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Overcast |
| 8:53 AM |
28.9°F
|
19.9°F
|
69% |
30.32 in
|
10.0 miles
|
SSE |
4.6 mph
|
-
|
N/A |
|
Overcast |
| 9:53 AM |
32.0°F
|
21.0°F
|
64% |
30.34 in
|
10.0 miles
|
NNW |
8.1 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 10:53 AM |
30.9°F
|
19.0°F
|
61% |
30.34 in
|
10.0 miles
|
West |
5.8 mph
|
-
|
N/A |
|
Overcast |
| 11:53 AM |
30.9°F
|
19.0°F
|
61% |
30.32 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Overcast |
| 12:53 PM |
32.0°F
|
19.9°F
|
61% |
30.30 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Overcast |
| 1:53 PM |
33.1°F
|
21.9°F
|
64% |
30.28 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Overcast |
| 2:53 PM |
34.0°F
|
25.0°F
|
70% |
30.25 in
|
10.0 miles
|
WSW |
5.8 mph
|
-
|
N/A |
|
Overcast |
| 3:53 PM |
34.0°F
|
26.1°F
|
73% |
30.25 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Mostly Cloudy |
| 4:53 PM |
34.0°F
|
27.0°F
|
75% |
30.26 in
|
10.0 miles
|
South |
3.5 mph
|
-
|
N/A |
|
Overcast |
| 5:53 PM |
34.0°F
|
27.0°F
|
75% |
30.26 in
|
10.0 miles
|
West |
3.5 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 6:53 PM |
34.0°F
|
28.0°F
|
79% |
30.27 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Overcast |
| 7:53 PM |
35.1°F
|
28.0°F
|
76% |
30.25 in
|
10.0 miles
|
SSW |
4.6 mph
|
-
|
N/A |
|
Overcast |
| 8:53 PM |
34.0°F
|
28.0°F
|
79% |
30.26 in
|
10.0 miles
|
SE |
3.5 mph
|
-
|
N/A |
|
Overcast |
| 9:53 PM |
34.0°F
|
28.0°F
|
79% |
30.27 in
|
10.0 miles
|
WNW |
3.5 mph
|
-
|
N/A |
|
Overcast |
| 10:53 PM |
37.9°F
|
30.0°F
|
73% |
30.26 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Overcast |
| 11:53 PM |
39.0°F
|
30.9°F
|
73% |
30.26 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Overcast |
|
|
|
