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Practice Report (Any Species)

Date: 09/15/2022

Number: 1

Is Three a "Wave"?


As I have noted in several of my previous sightings, I work at the University Park Airport in State College, PA (e.g., 9/8/2022).  Occasionaly, especially during the Monarch fall migration, we will see a Monarch Butterfly heading across our airport ramp.

However, today that changed a bit.  Within the span of about two hours, while turning the flight from Philadelphia, I saw three Monarch Butterflies cross our ramp.  The first came by at about 11:54 AM, flying between 5 and 20 feet above the ground, heading SSW.  The second flew by at about 12:34 PM, flying between 1 and 20 feet above the ground, heading WSW.  The third, flying a bit more erratically than the previous two at about 1:23 PM, was headed generally in a SSW direction.

I don't know if three butterflies constitutes a "wave," but this has been our "peak" thus far this year, certainly good evidence that it's migration time.

Pulling data from "The Weather Undergound" web site for State College (KUNV), here is the data for the time span covering today's observations:

TimeTemperatureDew PointHumidityWind DirectionWind SpeedAir PressureSky
10:53 AM63 °F52 °F68 %NE8 mph28.90 inMostly Cloudy
11:53 AM64 °F48 °F56 %CALM0 mph28.90 inPartly Cloudy
12:53 PM66 °F50 °F56 %N6 mph28.89 inPartly Cloudy
1:53 PM70 °F48 °F46 %NNE7 mph28.87 inFair
2:53 PM70 °F46 °F43 %NNE5 mph28.85 inFair
3:53 PM72 °F48 °F43 %N6 mph28.84 inFair

                    -  Tim


Latitude:  40.851°N  and  Longitude:  77.850°W

State College, PA

Latitude: 40.9 Longitude: -77.9

Observed by: R. Timothy
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