4Real Forums: Mystery Class data is up!

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Topic: Mystery Class data is up!

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Lissa
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Posted: Feb 02 2007 at 9:57am \| IP Logged

Here's the link!

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Lissa

Shari in NY
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Posted: Feb 02 2007 at 11:45am \| IP Logged

Well, we didn't have to strain our math ability here

The photoperiod for Mystery site # 3 is 24 hours! Um...maybe the south pole??

Shari in NY

Mary G
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Posted: Feb 02 2007 at 12:08pm \| IP Logged

Mystery Class #2 is 10:54 photoperiod for last Monday.

One tip that we did last year was set up an Excel spreadsheet and plot the data on the computer -- this was a little easier than trying to use the chart that they have on their site. And with the little ones, it was a little easier on me, too

!

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MaryG
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Carole N.
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Posted: Feb 02 2007 at 12:35pm \| IP Logged

Mystery Class #9 is 12:08 photoperiod for last Monday.

Kathryn thought somewhere near the equator.

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momwise
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Posted: Feb 02 2007 at 2:08pm \| IP Logged

Class # 4's photoperiod is 10 hrs. 3 min. (ETA: (7:26 a.m.-17:29 p.m.)

Our photoperiod was 10 hrs. 5 min ....a clue--a clue!!

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Marjorie
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Posted: Feb 02 2007 at 4:03pm \| IP Logged

Mystery Clas #5's photo period was 12:44. Hmm. Almost equal night and day . . .

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julia s.
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Posted: Feb 02 2007 at 5:19pm \| IP Logged

Mystery class #7 photoperiod for Jan. 29 was
11h. 16m.
We'd say not quite at the equator.

MIchael and Christopher really wanted to add the smileys to our data.

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MaryM
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Posted: Feb 02 2007 at 5:41pm \| IP Logged

Mystery Class # 1
9 hrs. 16 min.

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Mary M. in Denver

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Lissa
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Posted: Feb 02 2007 at 7:24pm \| IP Logged

momwise wrote:

Class # 4's photoperiod is 10 hrs. 3 min. (ETA: (7:26 a.m.-17:29 p.m.)

Our photoperiod was 10 hrs. 5 min ....a clue--a clue!!

Ooh, so they're almost the same latitude as Denver, right? Innnteresting...

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Lissa

KC in TX
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Posted: Feb 02 2007 at 10:33pm \| IP Logged

Mary G wrote:

One tip that we did last year was set up an Excel spreadsheet and plot the data on the computer -- this was a little easier than trying to use the chart that they have on their site. And with the little ones, it was a little easier on me, too

Good idea!! I love excel!!

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Lissa
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Posted: Feb 03 2007 at 9:14am \| IP Logged

All righty, here's Class #10's photoperiod: 13 hrs 53 min.

Mary G., care to share any tips for graphing on Excel?

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Lissa

wahoo92
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Posted: Feb 03 2007 at 10:13am \| IP Logged

Mystery Class #8 is 9 hours 58 min.

Mary G
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Posted: Feb 03 2007 at 10:33am \| IP Logged

Lissa wrote:

All righty, here's Class #10's photoperiod: 13 hrs 53 min.

Mary G., care to share any tips for graphing on Excel?

First, set up a chart like the one from the Journey North site -- Dates in a column going down, mystery classes across the columns (I put Denver in the 11 cell). Then when you fill in the data, make sure you put the minutes of photoperiod as a percent of 60 (or conversely, change your time into all minutes -- thus, 12 hrs 5 min would either be 12.08 or 725 minutes). I added a reference table in the lower corner with minutes then (minutes/60) to get the decimals.

Set up a line chart by clicking on the charting icon. Have you X-axis be the mystery classes (or just your class and all the other participant's actual location data points) + your town (as a reference). Y-axis is the photoperiod in hours or minutes. Place the chart into the sheet your working with so that as you add data, your kids can see the chart update.

You can play with the y-axis data points so that it just has 0 to 24 (as you'll never have more than 24 hours of light, right).

If anyone wants my data file, just pm and I'll send it. It's Excel 2003 if that matters....

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MaryG
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Kathryn UK
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Posted: Feb 05 2007 at 7:16am \| IP Logged

Another clue ... our photoperiod was longer than any of the mystery classes (though not by much). We are at latitude 52deg north, so presumably all the mystery classes must be south of that.

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mary
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Posted: Feb 06 2007 at 9:34am \| IP Logged

class #6's photoperiod for last monday was 11 hours 23 minutes.

hope we did it right!

can someone help me with class 7's photoperiod? we came up with 13 hours 13 minutes.

MaryM
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Posted: Feb 06 2007 at 10:12am \| IP Logged

mary wrote:

can someone help me with class 7's photoperiod? we came up with 13 hours 13 minutes.

I just checked and that is what I got as well. Looks good.

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Mary M. in Denver

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julia s.
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Posted: Feb 06 2007 at 11:37am \| IP Logged

MaryM wrote:

mary wrote:

can someone help me with class 7's photoperiod? we came up with 13 hours 13 minutes.

I just checked and that is what I got as well. Looks good.

Sorry, I subtracted class 7 sunrise from class 6 sunset. That's what I get for doing it with a baby on my lap while my five year old runs around the floor.

Wow! That's a lotta sunlight!
My sons will be so excited!

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J.Anne
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Posted: Feb 08 2007 at 6:53pm \| IP Logged

Class #4 Data from February 5
Sunrise: 7:20 AM
Sunset: 17:37 PM

Photoperiod: 10 hours 17 minutes

Am I doing all of this correctly?

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MaryM
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Posted: Feb 08 2007 at 9:43pm \| IP Logged

J.Anne wrote:

Class #4 Data from February 5
Sunrise: 7:20 AM
Sunset: 17:37 PM

Photoperiod: 10 hours 17 minutes

Am I doing all of this correctly?

Yes, Jennifer, you are right on target with your calculations.

I'm going to move this message to a new thread so we can keep all the the data from this week separate from last week's data. It's easier to track that way. Post this week's data here.

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Mary M. in Denver

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