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

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Total Less Unknown
Unknown
Per Cent
Per Cent
40
30
20
10
0
0
10
20
30
40
January
j
t
February
March
April
May
June
u,
~
July
August
September
October
November
December
FIGURE 29 COMPARISON OF MONTHLY DISTRIBUTION OF OBJECT SIGHTINGS EVALUATED AS
UNKNOWN VERSUS TOTAL OBJECT SIGHTINGS LESS UNKNOWN
A•7507