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Old 12-01-2010, 12:13 AM
Status: "I welcome Fall!" (set 29 days ago)
 
Location: Lakewood, CO
2,612 posts, read 1,766,078 times
Reputation: 2432
Littleton, CO, USA:
Avg. HI (53-45F) beginning of month to end
Avg. LO (29-21F)
avg. precip .51 in.

ACTUAL:
AVG HI 52 F / 10 C +3.0F above normal ▲
AVG LO 26 F / -3 C +1.0F above normal ▲
AVG OVERALL TEMP: 39 F / 4 C
Hottest Day: 75 F / 23 C (6th)
Coolest Day: 28 F / -2 C (29th)
Warmest Night: 43 F / 6 C (7th)
Coldest Night: 7 F / -13 C (25th)

NUMBER OF DAYS FAIR 7
NUMBER OF DAYS PC 21
NUMBER OF DAYS CLOUDY 2

Dew point: MAX (38 F / 3 C ) MIN (-21 F / -29 C)

precip: 0.34 in / 8.9 mm

Days in
70s-4
60s-3
50s-11
40s-5
30s-6
20s-1

Nights in
40s-2
30s-6
20s-15
10s-5
1s- 2

This month saw highs mainly in the 50s and said goodbye to the 70s. With last month only a few days below freezing, this month saw lows mainly in the 20s with a couple of frost days. Here on out, lows will be below freezing, which I like. We saw 9 days of some sort of snow, but really 3 major days with accumulation. This month saw our "first" Arctic front which put us in the single digits for a couple of days. Not much else, so I'll leave it at that.
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Old 12-01-2010, 01:30 AM
 
Location: Cloudchurch, Subantarctica
2,605 posts, read 1,814,892 times
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Quote:
Originally Posted by RWood View Post
Actually with 8.8 hrs/day (264 hrs) the horizon profile says 423 recordable hours, so that's about 62.5% of possible. Highest on record was 272 in 2003. Highest ever month in % terms would be March 1945, with about 72%.
How does the horizon profile work?
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Old 12-01-2010, 02:23 AM
 
Location: Yorkshire, England
4,494 posts, read 3,475,218 times
Reputation: 2360
Quote:
Originally Posted by nei View Post
Any numbers of total monthly snowfall or snow depth for Buxton (or London)?
I don't know about official depths but these are reported figures. Virtually the whole of the eastern side of the country has been hammered and in the west it's just really cold.
http://www.metoffice.gov.uk/weather/.../snow/map.html
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Old 12-01-2010, 03:07 AM
 
Location: Wellington and North of South
4,056 posts, read 2,904,845 times
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Quote:
Originally Posted by ChesterNZ View Post
How does the horizon profile work?
As applied to manual Campbell-Stokes recording - applicable to Ch'ch and many other sites still - the astronomical daylength has 1/2 hour subtracted from it, because the remaining period is considered incapable of registering on the suncard (sunlight too attenuated). Someone then does an estimate of any additional daylight loss due to obstructions of any kind - for Ch'ch Aero (when the profile was calculated, which is quite a few years back now) this extra amount is negligible. However for some places it was considerable (they really should update their tables as it's years since a proper review was done as far as I know) - over 250 hours per annum in Alexandra township, over 900 hours at the Queenstown site and about 1200 hours at the old Mt Cook site. At Wellington's Kelburn office above the gardens it's about 75 hours per year.
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Old 12-01-2010, 03:29 AM
 
Location: Buxton, England
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Quote:
Originally Posted by ben86 View Post
I don't know about official depths but these are reported figures. Virtually the whole of the eastern side of the country has been hammered and in the west it's just really cold.
Met Office: Snow reports observations map
In Buxton, Derbyshire there is now 22cm of snow, so over 7 inches.
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Old 12-01-2010, 04:04 AM
 
Location: Melbourne, Australia
813 posts, read 581,626 times
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Melbourne, Australia

November 2010

Average High: 23.2 C (73.8 F)
Average Low: 13.4 C (56.1 F)
Hottest Day: 33.3 C (91.9 F)
Coolest Day: 15.8 C (60.4 F)
Hottest Night: 21.7 C (71.1 F)
Coolest Night: 8.8 C (47.8 F)
Rainfall for November: 107. mm (4.21 inches)
Total Sunshine for November: 204.1 hours (6.8 hours per day)
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Old 12-01-2010, 05:12 AM
 
Location: Cloudchurch, Subantarctica
2,605 posts, read 1,814,892 times
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Quote:
Originally Posted by RWood View Post
over 900 hours at the Queenstown site
I always wondered about that -- Queenstown is really hemmed in by surrounding mountains. So it would receive about 2400 hours if it had an open horizon?
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Old 12-01-2010, 08:38 AM
 
Location: Toronto
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Toronto (Pearson Airport)

Average max: 9 C (normal 7C)
Average min: 0 C (normal -0.7C)
Mean temp: 4.5 C (normal 3.2 C)

Highest max: 16.5
Lowest min: -4C

Highest min: 8.5C
Lowest max: 2.3C

Precipitation:
Total - 66.2 mm (normal 69.3 mm)
Rain - 66.2 mm (normal 62 mm)
Snow- Trace, <0.2mm (normal 7.6 cm)
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Old 12-01-2010, 10:19 AM
 
Location: New Jersey
10,546 posts, read 5,636,241 times
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NW New Jersey

Average High: 51 F (right on average)
Average Low: 31 F (1 F above average)

Highest High: 63 F (13 and 14th)
Lowest High: 37 F (25th)

Highest Low: 48 F (17th)
Lowest Low: 19 F (29th)

Days with rain: 9
Days with sleet/snow: 2
Precipitation: 2.13 in.
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Old 12-01-2010, 02:31 PM
 
Location: Wellington and North of South
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Quote:
Originally Posted by ChesterNZ View Post
I always wondered about that -- Queenstown is really hemmed in by surrounding mountains. So it would receive about 2400 hours if it had an open horizon?
Interesting question. Although it gets about 57% of measurable cf. 58-59% at Blenheim and Nelson, removal of the mountains might let in more "weather", particularly from the south. A more open site at Cromwell is averaging 2250-2300 hours these days, and Tekapo Aero looks like averaging around 2400 or barely less. Mt Cook Village's 1550 hrs or thereabouts is at least 50% of the recordable.

Some of Queenstown's older records would be interesting to analyse if horizon data for the time were available (exposure at the Frankton arm site has varied quite a bit with variable obstructions). In November 1937 (early in a strong La Nina) Queenstown recorded 307 hours. If the later horizon data applied, that would be 85% of the possible, but that seems too high (would be a NZ record for any month) and could not be safely quoted in a list of records.
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