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

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TABLE A13 EVALUATION OF UNIT SIGHTINGS BY MONTH OF YEAR, 1948

Evaluation | JANUARY | FEBRUARY | MARCH | APRIL
Number | Per Cent | Number | Per Cent | Number | Per Cent | Number | Per Cent
Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total
0-Balloon | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 0 | 2 | 20.0 | 0.0 | 20.0
1-Astronomical | 6 | 3 | 9 | 50.0 | 25.0 | 75.0 | 3 | 2 | 5 | 60.0 | 40.0 | 100.0 | 2 | 0 | 2 | 22.2 | 0.0 | 22.2 | 0 | 2 | 2 | 0.0 | 20.0 | 20.0
2-Aircraft | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 3 | 0 | 3 | 30.0 | 0.0 | 30.0
3-Light Phenom. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
4-Birds | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 10.0 | 0.0 | 10.0
5-Clouds, Dust, etc. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
6-Insuffic. Info. | 2 | 0 | 2 | 16.7 | 0.0 | 16.7 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 0 | 2 | 22.2 | 0.0 | 22.2 | 1 | 0 | 1 | 10.0 | 0.0 | 10.0
7-Psychological | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
8-Unknown | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 11.1 | 0.0 | 11.1 | 1 | 0 | 1 | 10.0 | 0.0 | 10.0
9-Other | 0 | 1 | 1 | 20.0 | 8.3 | 8.3 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 4 | 4 | 0.0 | 44.4 | 44.4 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
Total | 8 | 4 | 12 | 66.7 | 33.3 | 100.0 | 3 | 2 | 5 | 60.0 | 40.0 | 100.0 | 5 | 4 | 9 | 55.6 | 44.4 | 100.0 | 8 | 2 | 10 | 80.0 | 20.0 | 100.0

Evaluation | MAY | JUNE | JULY | AUGUST
Number | Per Cent | Number | Per Cent | Number | Per Cent | Number | Per Cent
Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total
0-Balloon | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 0 | 2 | 66.7 | 0.0 | 66.7 | 4 | 1 | 5 | 14.8 | 3.7 | 18.5 | 0 | 2 | 2 | 0.0 | 20.0 | 20.0
1-Astronomical | 1 | 1 | 2 | 10.0 | 10.0 | 20.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 4 | 4 | 8 | 14.8 | 14.8 | 29.6 | 2 | 2 | 4 | 20.0 | 20.0 | 40.0
2-Aircraft | 1 | 0 | 1 | 10.0 | 0.0 | 10.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 4 | 2 | 6 | 14.8 | 7.4 | 22.2 | 1 | 1 | 2 | 10.0 | 10.0 | 20.0
3-Light Phenom. | 0 | 2 | 2 | 0.0 | 20.0 | 20.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 3.7 | 0.0 | 3.7 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
4-Birds | 0 | 1 | 1 | 0.0 | 10.0 | 10.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 1 | 1 | 0.0 | 3.7 | 3.7 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
5-Clouds, Dust, etc. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 33.3 | 0.0 | 33.3 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
6-Insuffic. Info. | 3 | 0 | 3 | 30.0 | 0.0 | 30.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 10.0 | 0.0 | 10.0
7-Psychological | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
8-Unknown | 1 | 0 | 1 | 10.0 | 0.0 | 10.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 5 | 0 | 5 | 18.5 | 0.0 | 18.5 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
9-Other | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 3.7 | 0.0 | 3.7 | 0 | 1 | 1 | 0.0 | 10.0 | 10.0
Total | 6 | 4 | 10 | 60.0 | 40.0 | 100.0 | 3 | 0 | 3 | 100.0 | 0.0 | 100.0 | 19 | 8 | 27 | 70.4 | 29.6 | 100.0 | 4 | 6 | 10 | 40.0 | 60.0 | 100.0

Evaluation | SEPTEMBER | OCTOBER | NOVEMBER | DECEMBER
Number | Per Cent | Number | Per Cent | Number | Per Cent | Number | Per Cent
Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total
0-Balloon | 0 | 2 | 2 | 0.0 | 33.3 | 33.3 | 3 | 3 | 6 | 15.0 | 15.0 | 30.0 | 1 | 2 | 3 | 5.9 | 11.8 | 17.7 | 2 | 0 | 2 | 8.3 | 0.0 | 8.3
1-Astronomical | 0 | 1 | 1 | 0.0 | 16.7 | 16.7 | 1 | 3 | 4 | 5.0 | 15.0 | 20.0 | 7 | 1 | 8 | 41.2 | 5.9 | 47.1 | 2 | 8 | 10 | 8.3 | 33.3 | 41.6
2-Aircraft | 1 | 0 | 1 | 16.7 | 0.0 | 16.7 | 1 | 0 | 1 | 5.0 | 0.0 | 5.0 | 4 | 0 | 4 | 23.5 | 0.0 | 23.5 | 0 | 1 | 1 | 0.0 | 4.2 | 4.2
3-Light Phenom. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 5.0 | 0.0 | 5.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
4-Birds | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 1 | 2 | 5.0 | 5.0 | 10.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
5-Clouds, Dust, etc. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
6-Insuffic. Info. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 4 | 0 | 4 | 20.0 | 0.0 | 20.0 | 1 | 0 | 1 | 5.9 | 0.0 | 5.9 | 3 | 0 | 3 | 12.5 | 0.0 | 12.5
7-Psychological | 1 | 0 | 1 | 16.7 | 0.0 | 16.7 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
8-Unknown | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 0 | 2 | 10.0 | 0.0 | 10.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 6 | 0 | 6 | 25.0 | 0.0 | 25.0
9-Other | 0 | 1 | 1 | 0.0 | 16.7 | 16.7 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 5.9 | 0.0 | 5.9 | 2 | 0 | 2 | 8.3 | 0.0 | 8.3
Total | 2 | 4 | 6 | 33.3 | 66.7 | 100.0 | 13 | 7 | 20 | 65.0 | 35.0 | 100.0 | 14 | 3 | 17 | 82.4 | 17.6 | 100.0 | 15 | 9 | 24 | 62.5 | 37.5 | 100.0

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