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Old 04-22-2014, 10:35 PM
 
Location: Tangerang (6°17 S)
610 posts, read 828,471 times
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India's summer happen in March - June. Idk why.
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Old 04-22-2014, 11:19 PM
 
Location: Top of the South, NZ
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Some NZ locations in the inland South Island have a warmer Sep/Oct warmer than Mar/April . Quite a few locations also have September warmer than March.

Last edited by Joe90; 04-22-2014 at 11:34 PM.. Reason: Why do you need to know?
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Old 04-23-2014, 12:08 AM
 
Location: Wisconsin
621 posts, read 519,057 times
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Quote:
Originally Posted by Glacierx View Post
77% of the United States and Canada are coldest in January.
20% are coldest in December
2.5% are coldest February
0.04% are coldest in March (only 4 places, 2 in Alaska and 2 in Hawaii).
It was a while ago, but what were the 4 places?
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Old 04-23-2014, 09:51 AM
 
Location: Vernon, British Columbia
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Quote:
Originally Posted by Crunch41 View Post
It was a while ago, but what were the 4 places?
1) Wales, Alaska (elevation 25 ft) has March 1.3°F colder than February

2) Wainwright, Alaska (elevation 30 ft) has March 0.4°F colder than February.

3) Wainiha, HI (101 ft elevation) has March 0.2°F colder than February.

4) Captain Cook, HI (120 ft elevation) has March 0.1°F colder than January.
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Old 04-23-2014, 10:37 AM
 
Location: Vernon, British Columbia
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Quote:
Originally Posted by CairoCanadian View Post
It's odd, but even though the summer lag is much more moderate, the winter lead is quite present here on the west coast of BC. December is the coldest month of the year for many coastal locations up until at least Bella Coola:

Bella Coola, British Columbia - Wikipedia, the free encyclopedia

By the north end of BC the increasing lows start to make January the chilliest month, but even as far as Prince Rupert the Jan highs are fractionally warmer than the December ones:

https://en.wikipedia.org/wiki/Prince...lumbia#Climate
Here is a different way of looking at it. In my post above yours I referenced places with large increases between December and January, but it has just occurred to me that some places (namely along the coast) don't vary as much from summer to winter. Therefore, it makes sense to measure this increase in terms of a percentage of the total change from the coldest month (December) to the hottest month (typically July).

Doing this reveals that there are 18 locations within BC, WA, ID, and OR that get more than 7% of their warming in January. #1 is Alsea, OR at over 9%. One Victoria weather station is just under 9%, and Mullan, ID is about 8.5%.

Here is a list:
WEATHER STATION, STATE/PROV----% INCREASE IN JANUARY
ALSEA FH (FALL CREEK, OR----------9.3%
VICTORIA MARINE, BC ---------------8.7%
MULLAN, ID------------------------8.4%
FLORENCE #2, OR-------------------8.2%
HOLLYBURN RIDGE, BC ---------------8.1%
METOLIUS 1 W, OR------------------8%
BUGABOO CREEK LODGE, BC -----------7.7%
LANGLOIS #2, OR-------------------7.6%
LYTTON, BC ------------------------7.6%
CLEARWATER, WA--------------------7.5%
FALLBROOK 5 NE, CA----------------7.5%
HUMPTULIPS SALMON HTC, WA---------7.5%
EVERETT CAA AP, WA----------------7.4%
FOSSIL, OR------------------------7.4%
YAKIMA #2, WA---------------------7.3%
KOOSKIA 5 SE, ID------------------7.3%
MONROE, WA------------------------7.2%
MCCULLOCH, BC ---------------------7.1%
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Old 04-23-2014, 01:47 PM
 
Location: Vancouver, Canada
1,255 posts, read 2,311,507 times
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Though the tropics are full of places where the pre-monsoon heat build up makes the hottest month happen in that hemisphere's "spring", how about inverted hemispheric seasons?

Libreville - Wikipedia, the free encyclopedia

Just north of the equator, Libreville looks like a southern hemisphere tropical climate with its cooler, dry "winter" in June-July-August, though it's hottest months are slightly shifted forward to the January to April period..
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Old 04-23-2014, 01:48 PM
 
Location: Vancouver, Canada
1,255 posts, read 2,311,507 times
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Quote:
Originally Posted by Glacierx View Post
Here is a different way of looking at it. In my post above yours I referenced places with large increases between December and January, but it has just occurred to me that some places (namely along the coast) don't vary as much from summer to winter. Therefore, it makes sense to measure this increase in terms of a percentage of the total change from the coldest month (December) to the hottest month (typically July).

Doing this reveals that there are 18 locations within BC, WA, ID, and OR that get more than 7% of their warming in January. #1 is Alsea, OR at over 9%. One Victoria weather station is just under 9%, and Mullan, ID is about 8.5%.

Here is a list:
WEATHER STATION, STATE/PROV----% INCREASE IN JANUARY
ALSEA FH (FALL CREEK, OR----------9.3%
VICTORIA MARINE, BC ---------------8.7%
MULLAN, ID------------------------8.4%
FLORENCE #2, OR-------------------8.2%
HOLLYBURN RIDGE, BC ---------------8.1%
METOLIUS 1 W, OR------------------8%
BUGABOO CREEK LODGE, BC -----------7.7%
LANGLOIS #2, OR-------------------7.6%
LYTTON, BC ------------------------7.6%
CLEARWATER, WA--------------------7.5%
FALLBROOK 5 NE, CA----------------7.5%
HUMPTULIPS SALMON HTC, WA---------7.5%
EVERETT CAA AP, WA----------------7.4%
FOSSIL, OR------------------------7.4%
YAKIMA #2, WA---------------------7.3%
KOOSKIA 5 SE, ID------------------7.3%
MONROE, WA------------------------7.2%
MCCULLOCH, BC ---------------------7.1%
Fascinating finds!
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Old 04-23-2014, 01:58 PM
 
Location: Vernon, British Columbia
3,020 posts, read 2,941,832 times
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Quote:
Originally Posted by CairoCanadian View Post
Fascinating finds!
I just noticed that one of those places on the list is in California. On another note, for the hottest months in North America, 0.2% of weather stations are hottest in June (mostly in southwestern Texas), 88% are hottest in July, 11% are hottest in August, and 0.4% are in September (southern California and Hawaii).
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Old 04-24-2014, 10:40 AM
 
Location: Tangerang (6°17 S)
610 posts, read 828,471 times
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I think Islamabad has a lead summer. Average high in June is 38c while July's is 34c. The summer is considerably hot for a humid subtropical climate.
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Old 04-24-2014, 10:51 AM
 
1,692 posts, read 1,774,549 times
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Quote:
Originally Posted by bronski View Post
I think Islamabad has a lead summer. Average high in June is 38c while July's is 34c. The summer is considerably hot for a humid subtropical climate.
That's cooling in July is due to monsoon rain...and is not what I would call a seasonal cooling....you can see the min for July is higher than June Islamabad and the precipitation is wayyyy more in July and August than June.

You can't have seasonal leads but latitudes between 0 and 23.44 can have a hottest month during the times the sun is directly overhead their latitude which will happen before and after the solstice and if you are in a tropical latitude between the Tropic of Cancer and Capricorn.

Also you will get "less seasonal lag" in northern latitudes away from the coasts...driven by hours of daylight extremes, but more notably the effect of the dark winter period where cold air will set in quickly.


So seasonal lag is least away from the coast and farther from equator, and seasonal lag is not really a factor at all in the low latitudes...except wet and dry season timing which is based more on where the sun is doing the most heating and not scaled to seasons either.
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