Project Blue Book Special Report No. 14 (Analysis of Reports of Unidentified Aerial Objects)

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Total Less Balloon
Balloon
Per Cent
Per Cent
40
30
20
10
0
0
10
20
30
40
January
l
t
February
Morch
April
Moy
~
June
I\)
July
August
September
October
November
December
FIGURE 26 COMPARISON OF MONTHLY DISTRIBUTION OF OBJECT SIGHTINGS EVALUATED
AS BALLOON VERSUS TOTAL OBJECT SIGHTINGS LESS BALLOON
A-7 504