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Attachment 4 - 11

Appendix Table 2. -- Estimated Percentage Distributions of the Occurrence of Various Categories of Restrictive Weather, by Period of Day and 
Duration of Condition, 41 Specified Airports, 1956 - 1965. (continued)

(0.01 % approximately equal to one hour per year)

[[10 Columned Table]]

| Community, airport and hub type by state | Hour group 06-20 1-90 minutes (%) | Hour group 06-20 91-all minutes (%) | Hour group 06-20 Total | Hour group 21-05 1-90 minutes (%) | Hour group 21-05 91-all minutes (%) | Hour group 21-05 Total | All hours 1-90 minutes (%) | All hours 91-all minutes (%) | All hours Total | 

| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |

| LOUISIANA New Orleans-Moisant (L) |   |   |   |   |   |   |   |   |   |
| 0 - 1600 | 0.07 | 0.09 | 0.16 | 0.09 | 0.46 | 0.55 | 0.16 | 0.55 | 0.71 |
| 200 - 1600 | .07 | .08 | .15 | .09 | .42 | .51 | .16 | .50 | .66 |
| 700 - 1600 | .09 | .05 | .14 | .12 | .25 | .37 | .21 | .30 | .51 |

| 0 - 1200 | .05 | .07 | .12 | .15 | .27 | .42 | .20 | .34 | .34 |
| 200 - 1200 | .05 | .06 | .11 | .15 | .23 | .38 | .20 | .29 | .49 |
| 700 - 1200 | .04 | .05 | .09 | .15 | .15 | .30 | .19 | .20 | .39 |

| MARYLAND Baltimore Friendship (M) |   |   |   |   |   |   |   |   |   |
| 0 - 1600 | .08 | .33 | .41 | .06 | .48 | .54 | .14 | .81 | .95 |
| 200 - 1600 | .08 | .30 | .38 | .05 | .45 | .50 | .13 | .75 | .88 |
| 700 - 1600 | .11 | .15 | .26 | .07 | .22 | .29 | .18 | .37 | .55 |

| 0 - 1200 | .09 | .27 | .36 | .13 | .35 | .48 | .22 | .62 | .84 |
| 200 - 1200 | .09 | .24 | .33 | .12 | .32 | .44 | .21 | .56 | .77 |
| 700 - 1200 | .06 | .13 | .19 | .09 | .18 | .27 | .15 | .31 | .46 |

| MASSACHUSETTS Boston-Logan (L) |   |   |   |   |   |   |   |   |   |
| 0 - 1600 | .09 | .12 | .21 | .07 | .20 | .27 | .16 | .32 | .48 |
| 200 - 1600 | .09 | .12 | .21 | .06 | .20 | .26 | .15 | .32 | .47 |
| 700 - 1600 | .09 | .04 | .13 | .08 | .10 | .18 | .17 | .14 | .31 |

| 0 - 1200 | .10 | .10 | .20 | .13 | .12 | .25 | .23 | .22 | .45 |
| 200 - 1200 | .10 | .10 | .20 | .12 | .12 | .24 | .22 | .22 | .44 |
| 700 - 1200 | .07 | .06 | .13 | .08 | .07 | .15 | .15 | .13 | .28 |

| MICHIGAN Detroit-Metro. Wayne (L) |   |   |   |   |   |   |   |   |   |
| 0 - 1600 | .06 | .16 | .22 | .06 | .51 | .57 | .12 | .67 | .79 |
| 200 - 1600 | .06 | .14 | .20 | .08 | .46 | .54 | .14 | .60 | .74 |
| 700 - 1600 | .09 | .06 | .15 | .08 | .18 | .26 | .17 | .24 | .41 |

| 0 - 1200 | .05 | .12 | .17 | .13 | .30 | .43 | .18 | .42 | .60 |
| 200 - 1200 | .05 | .10 | .15 | .15 | .25 | .40 | .20 | .35 | .55 |
| 700 - 1200 | .04 | .04 | .08 | .11 | .12 | .23 | .15 | .16 | .31 |

| MINNESOTA Minneapolis-W. Chamberlain (L) |   |   |   |   |   |   |   |   |   |
| 0 - 1600 | .03 | .03 | .06 | .02 | .12 | .14 | .05 | .15 | .20 |
| 200 - 1600 | .03 | .02 | .05 | .02 | .12 | .14 | .05 | .14 | .19 |
| 700 - 1600 | .03 | .03 | .06 | .03 | .04 | .07 | .06 | .07 | .13 |

| 0 - 1200 | .02 | .03 | .05 | .04 | .06 | .10 | .06 | .09 | .15 |
| 200 - 1200 | .02 | .02 | .04 | .04 | .06 | .10 | .06 | .08 | .14 |
| 700 - 1200 | .01 | .02 | .03 | .04 | .03 | .07 | .05 | .05 | .10 |

| MISSOURI Kansas City-Mid Continental (L) |   |   |   |   |   |   |   |   |   |
| 0 - 1600 | .04 | .16 | .20 | .02 | .27 | .29 | .06 | .42 | .49 |
| 200 - 1600 | .04 | .14 | .18 | .02 | .25 | .27 | .06 | .39 | .45 |
| 700 - 1600 | .06 | .11 | .17 | .02 | .19 | .21 | .08 | .30 | .38 |

| 0 - 1200 | .04 | .11 | .15 | .06 | .16 | .22 | .10 | .27 | .37 |
| 200 - 1200 | .04 | .09 | .14 | .06 | .14 | .20 | .10 | .23 | .33 |
| 700 - 1200 | .04 | .08 | .12 | .05 | .12 | .17 | .09 | .20 | .29 |

| St.Louis-Lambert (L) |   |   |   |   |   |   |   |   |   |
| 0 - 1600 | .03 | .05 | .08 | .03 | .11 | .14 | .06 | .16 | .22 |
| 200 - 1600 | .03 | .04 | .07 | .02 | .11 | .13 | .05 | .08 | .13 |
| 700 - 1600 | .03 | .03 | .06 | .02 | .05 | .07 | .05 | .08 | .13 |

| 0 - 1200 | .03 | .05 | .08 | .05 | .09 | .14 | .08 | .14 | .22 |
| 200 - 1200 | .03 | .04 | .07 | .04 | .09 | .13 | .07 | .13 | .20 |
| 700 - 1200 | .02 | .03 | .05 | .03 | .04 | .07 | .05 | .07 | .12 |

| NEW JERSEY Newark (L) |   |   |   |   |   |   |   |   |   |
| 0 - 1600 | .06 | .12 | .18 | .05 | .18 | .23 | .11 | .30 | .41 |
| 200 - 1600 | .05 | .10 | .15 | .04 | .15 | .19 | .09 | .25 | .34 |
| 700 - 1600 | .08 | .02 | .10 | .06 | .04 | .10 | .14 | .06 | .20 |

| 0 - 1200 | .08 | .07 | .15 | .10 | .10 | .20 | .18 | .17 | .35 |
| 200 - 1200 | .07 | .05 | .12 | .09 | .07 | .16 | .16 | .12 | .28 |
| 700 - 1200 | .05 | .02 | .07 | .06 | .02 | .08 | .11 | .04 | .15 |