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

Text

A machine read this text from the scan. When the text and the image disagree, the image is right.

TABLE A18 EVALUATION OF OBJECT SIGHTINGS BY MONTH OF YEAR, ALL YEARS

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 | 3 | 2 | 5 | 4.3 | 2.9 | 7.2 | 6 | 0 | 6 | 10.9 | 0.0 | 10.9 | 8 | 2 | 10 | 9.6 | 2.4 | 12.0 | 7 | 2 | 9 | 5.5 | 1.6 | 7.1
1-Astronomical | 15 | 16 | 31 | 21.4 | 22.9 | 44.3 | 11 | 12 | 23 | 20.0 | 21.8 | 41.8 | 12 | 10 | 22 | 14.5 | 12.0 | 26.5 | 19 | 3 | 22 | 15.0 | 2.4 | 17.4
2-Aircraft | 6 | 3 | 9 | 8.6 | 4.3 | 12.9 | 5 | 5 | 10 | 9.1 | 9.1 | 18.2 | 8 | 7 | 15 | 9.6 | 8.4 | 18.0 | 20 | 7 | 27 | 15.7 | 5.5 | 21.2
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 | 1 | 0 | 1 | 0.8 | 0.0 | 0.8
4-Birds | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 3 | 0 | 3 | 3.6 | 0.0 | 3.6 | 3 | 1 | 4 | 2.4 | 0.8 | 3.2
5-Clouds, Dust, etc. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 1 | 1 | 0.0 | 1.2 | 1.2 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
6-Insuffic. Info. | 8 | 0 | 8 | 11.4 | 0.0 | 11.4 | 3 | 0 | 3 | 5.5 | 0.0 | 5.5 | 10 | 0 | 10 | 12.0 | 0.0 | 12.0 | 21 | 0 | 21 | 16.5 | 0.0 | 16.5
7-Psychological | 2 | 0 | 2 | 2.9 | 0.0 | 2.9 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 0 | 2 | 1.6 | 0.0 | 1.6
8-Unknown | 9 | 0 | 9 | 12.9 | 0.0 | 12.9 | 6 | 0 | 6 | 10.9 | 0.0 | 10.9 | 13 | 0 | 13 | 15.7 | 0.0 | 15.7 | 39 | 0 | 39 | 30.7 | 0.0 | 30.7
9-Other | 5 | 1 | 6 | 7.1 | 1.4 | 8.5 | 7 | 0 | 7 | 12.7 | 0.0 | 12.7 | 1 | 8 | 9 | 1.2 | 9.6 | 10.8 | 2 | 0 | 2 | 1.6 | 0.0 | 1.6
Total | 48 | 22 | 70 | 68.6 | 31.4 | 100. | 38 | 17 | 55 | 69.1 | 30.9 | 100. | 55 | 28 | 83 | 66.3 | 33.7 | 100. | 114 | 13 | 127 | 89.8 | 10.2 | 100.

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 | 17 | 3 | 20 | 13.2 | 2.3 | 15.5 | 28 | 5 | 33 | 15.3 | 2.7 | 18.0 | 74 | 41 | 115 | 11.6 | 6.4 | 18.0 | 39 | 39 | 78 | 9.6 | 9.6 | 19.2
1-Astronomical | 22 | 6 | 28 | 17.1 | 4.7 | 21.8 | 22 | 17 | 39 | 12.0 | 9.3 | 21.3 | 58 | 38 | 96 | 9.1 | 6.0 | 15.1 | 43 | 45 | 88 | 10.6 | 11.1 | 21.9
2-Aircraft | 17 | 13 | 30 | 13.2 | 10.1 | 23.3 | 28 | 12 | 40 | 15.3 | 6.6 | 21.9 | 94 | 72 | 166 | 14.7 | 11.3 | 26.0 | 47 | 35 | 82 | 11.5 | 8.6 | 20.1
3-Light Phenom. | 3 | 2 | 5 | 2.3 | 1.6 | 3.9 | 1 | 1 | 2 | 0.5 | 0.5 | 1.0 | 13 | 4 | 17 | 2.0 | 0.6 | 2.6 | 6 | 6 | 12 | 1.5 | 1.5 | 3.0
4-Birds | 0 | 2 | 2 | 0.0 | 1.6 | 1.6 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 3 | 3 | 6 | 0.5 | 0.5 | 1.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
5-Clouds, Dust, etc. | 2 | 0 | 2 | 1.6 | 0.0 | 1.6 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 1 | 2 | 0.2 | 0.2 | 0.4 | 0 | 1 | 1 | 0.0 | 0.2 | 0.2
6-Insuffic. Info. | 16 | 0 | 16 | 12.4 | 0.0 | 12.4 | 22 | 0 | 22 | 12.0 | 0.0 | 12.0 | 74 | 0 | 74 | 11.6 | 0.0 | 11.6 | 40 | 0 | 40 | 9.8 | 0.0 | 9.8
7-Psychological | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 6 | 0 | 6 | 3.3 | 0.0 | 3.3 | 8 | 8 | 16 | 1.3 | 1.3 | 2.6 | 10 | 1 | 11 | 2.5 | 0.2 | 2.7
8-Unknown | 18 | 0 | 18 | 14.0 | 0.0 | 14.0 | 33 | 0 | 33 | 18.0 | 0.0 | 18.0 | 121 | 0 | 121 | 19.0 | 0.0 | 19.0 | 79 | 0 | 79 | 19.4 | 0.0 | 19.4
9-Other | 6 | 2 | 8 | 4.7 | 1.6 | 6.3 | 7 | 1 | 8 | 3.8 | 0.5 | 4.3 | 24 | 1 | 25 | 3.8 | 0.2 | 4.0 | 11 | 5 | 16 | 2.7 | 1.2 | 3.9
Total | 101 | 28 | 129 | 78.3 | 21.7 | 100. | 147 | 36 | 183 | 80.3 | 19.7 | 100. | 470 | 168 | 638 | 73.7 | 26.3 | 100. | 275 | 132 | 407 | 67.6 | 32.4 | 100.

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 | 6 | 12 | 18 | 3.6 | 7.2 | 10.8 | 8 | 12 | 20 | 6.4 | 9.6 | 16.0 | 5 | 9 | 14 | 4.7 | 8.5 | 13.2 | 6 | 5 | 11 | 5.7 | 4.8 | 10.5
1-Astronomical | 18 | 9 | 27 | 10.8 | 5.4 | 16.2 | 15 | 18 | 33 | 12.0 | 14.4 | 26.4 | 21 | 15 | 36 | 19.8 | 14.2 | 34.0 | 18 | 16 | 34 | 17.1 | 15.2 | 32.3
2-Aircraft | 13 | 27 | 40 | 7.8 | 16.3 | 24.1 | 9 | 11 | 20 | 7.2 | 8.8 | 16.0 | 11 | 6 | 17 | 10.4 | 5.7 | 16.1 | 7 | 11 | 18 | 6.7 | 10.5 | 17.2
3-Light Phenom. | 1 | 2 | 3 | 0.6 | 1.2 | 1.8 | 1 | 2 | 3 | 0.8 | 1.6 | 2.4 | 3 | 1 | 4 | 2.8 | 0.9 | 3.7 | 1 | 0 | 1 | 1.0 | 0.0 | 1.0
4-Birds | 1 | 2 | 3 | 0.6 | 1.2 | 1.8 | 2 | 2 | 4 | 1.6 | 1.6 | 3.2 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
5-Clouds, Dust, etc. | 0 | 1 | 1 | 0.0 | 0.6 | 0.6 | 0 | 1 | 1 | 0.0 | 0.8 | 0.8 | 0 | 2 | 2 | 0.0 | 1.9 | 1.9 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
6-Insuffic. Info. | 19 | 0 | 19 | 11.4 | 0.0 | 11.4 | 10 | 0 | 10 | 8.0 | 0.0 | 8.0 | 7 | 0 | 7 | 6.6 | 0.0 | 6.6 | 9 | 0 | 9 | 8.6 | 0.0 | 8.6
7-Psychological | 3 | 0 | 3 | 1.8 | 0.0 | 1.8 | 1 | 0 | 1 | 0.8 | 0.0 | 0.8 | 1 | 0 | 1 | 0.9 | 0.0 | 0.9 | 2 | 0 | 2 | 1.9 | 0.0 | 1.9
8-Unknown | 42 | 0 | 42 | 25.3 | 0.0 | 25.3 | 30 | 0 | 30 | 24.0 | 0.0 | 24.0 | 21 | 0 | 21 | 19.8 | 0.0 | 19.8 | 22 | 0 | 22 | 21.0 | 0.0 | 21.0
9-Other | 8 | 2 | 10 | 4.8 | 1.2 | 6.0 | 2 | 1 | 3 | 1.6 | 0.8 | 2.4 | 4 | 0 | 4 | 3.8 | 0.0 | 3.8 | 8 | 0 | 8 | 7.6 | 0.0 | 7.6
Total | 111 | 55 | 166 | 66.9 | 33.1 | 100. | 78 | 47 | 125 | 62.4 | 37.6 | 100. | 73 | 33 | 106 | 68.9 | 31.1 | 100. | 73 | 32 | 105 | 69.5 | 30.5 | 100.

123