1997 CHINCOTEAGUE  ROAD CENSUS: Daily & Seasonal Totals

 Date # Road Censuses  (each takes 15 minutes) Time  of Observations Total  Monarchs Hours of Observation Avg.  Monarchs/Hour 9/15 3 10 am, 1 pm, 4 pm 9 .75 11 9/16 3 10 am, 1 pm, 4 pm 7 .75 9 9/17 3 10 am, 1 pm, 4 pm 11 .75 15 9/18 3 10 am, 1 pm, 4 pm 4 .75 5 9/19 3 10 am, 1 pm, 4 pm 14 .75 19 9/20 3 10 am, 1 pm, 4 pm 6 .75 8 9/21 3 10 am, 1 pm, 4 pm 156 .75 208 9/22 3 10 am, 1 pm, 4 pm 18 .75 24 9/23 3 10 am, 1 pm, 4 pm 4 .75 5 9/24 3 10 am, 1 pm, 4 pm 0 .75 0 9/25 3 10 am, 1 pm, 4 pm 25 .75 33 9/26 3 10 am, 1 pm, 4 pm 226 .75 301 9/27 3 10 am, 1 pm, 4 pm 38 .75 51 9/28 3 10 am, 1 pm, 4 pm 8 .75 11 9/29 3 10 am, 1 pm, 4 pm 39 .75 52 9/30 3 10 am, 1 pm, 4 pm 10 .75 13 10/1 3 10 am, 1 pm, 4 pm 344 .75 459 10/2 3 10 am, 1 pm, 4 pm 19 .75 25 10/3 2 1 pm, 4 pm 10 .5 20 10/4 3 10 am, 1 pm, 4 pm 22 .75 29 10/5 3 10 am, 1 pm, 4 pm 23 .75 30 10/6 3 10 am, 1 pm, 4 pm 73 .75 97 10/7 3 10 am, 1 pm, 4 pm 16 .75 21 10/8 3 10 am, 1 pm, 4 pm 27 .75 36 10/9 3 10 am, 1 pm, 4 pm 20 .75 27 10/10 3 10 am, 1 pm, 4 pm 56 .75 75 10/11 3 10 am, 1 pm, 4 pm 14 .75 19 10/12 3 10 am, 1 pm, 4 pm 43 .75 57 Season Total 83 ------------------ 1242 20.75 60
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1998 CHINCOTEAGUE  ROAD CENSUS: Daily & Seasonal Totals

 Date # Road Censuses  (each takes 20 minutes) Time  of Observations Total  Monarchs Hours of Observation Avg.  Monarchs/Hour 9/13 2 1 pm, 4 pm 0 .67 0 9/14 3 10 am, 1 pm, 4 pm 0 1 0 9/15 3 10 am, 1 pm, 4 pm 0 1 0 9/16 3 10 am, 1 pm, 4 pm 0 1 0 9/17 3 10 am, 1 pm, 4 pm 0 1 0 9/18 3 10 am, 1 pm, 4 pm 0 1 0 9/19 3 10 am, 1 pm, 4 pm 0 1 0 9/20 3 10 am, 1 pm, 4 pm 2 1 2 9/21 3 10 am, 1 pm, 4 pm 0 1 0 9/22 3 10 am, 1 pm, 4 pm 1 1 1 9/23 3 10 am, 1 pm, 4 pm 19 1 19 9/24 3 10 am, 1 pm, 4 pm 100 1 100 9/25 3 10 am, 1 pm, 4 pm 153 1 153 9/26 3 10 am, 1 pm, 4 pm 55 1 55 9/27 3 10 am, 1 pm, 4 pm 57 1 57 9/28 3 10 am, 1 pm, 4 pm 116 1 116 9/29 3 10 am, 1 pm, 4 pm 34 1 34 9/30 3 10 am, 1 pm, 4 pm 15 1 15 10/1 3 10 am, 1 pm, 4 pm 43 1 43 10/2 3 10 am, 1 pm, 4 pm 167 1 167 10/3 3 10 am, 1 pm, 4 pm 173 1 173 10/4 3 10 am, 1 pm, 4 pm 30 1 30 10/5 3 10 am, 1 pm, 4 pm 94 1 94 10/6 3 10 am, 1 pm, 4 pm 49 1 49 10/7 3 10 am, 1 pm, 4 pm 26 1 26 10/8 3 10 am, 1 pm, 4 pm 12 1 12 10/9 3 10 am, 1 pm, 4 pm 19 1 19 10/10 1 10 am 18 .33 54 Season Total 81 ------------------ 1183 27 43.81

1999 CHINCOTEAGUE  ROAD CENSUS: Daily & Seasonal Totals

 Date # Road Censuses  (each takes 15 minutes) Time  of Observations Total  Monarchs Hours of Observation Avg.  number  Monarchs/Hour of observation 9/23 2 1 pm, 4 pm 236 .5 472 9/24 3 10 am, 1 pm, 4 pm 522 .75 696 9/25 3 10 am, 1 pm, 4 pm 699 .75 932 9/26 3 10 am, 1 pm, 4 pm 34 .75 45 9/27 3 10 am, 1 pm, 4 pm 42 .75 56 9/28 3 10 am, 1 pm, 4 pm 34 .75 45 9/29 3 10 am, 1 pm, 4 pm 16 .75 21 9/30 3 10 am, 1 pm, 4 pm 34 .75 45 10/1 3 10 am, 1 pm, 4 pm 337 .75 449 10/2 3 10 am, 1 pm, 4 pm 354 .75 472 10/3 3 10 am, 1 pm, 4 pm 318 .75 424 10/4 0* 10 am, 1 pm, 4 pm * * * 10/5 0* 10 am, 1 pm, 4 pm * * * 10/6 3 10 am, 1 pm, 4 pm 596 .75 795 10/7 3 10 am, 1 pm, 4 pm 118 .75 157 10/8 3 10 am, 1 pm, 4 pm 202 .75 269 10/9 0* 10 am, 1 pm, 4 pm * * * 10/10 3 10 am, 1 pm, 4 pm 170 .75 227 10/11 3 10 am, 1 pm, 4 pm 193 .75 257 10/12 3 10 am, 1 pm, 4 pm 26 .75 35 10/13 3 10 am, 1 pm, 4 pm 13 .75 17 10/14 3 10 am, 1 pm, 4 pm 47 .75 63 10/15 3 10 am, 1 pm, 4 pm 14 .75 19 10/16 3 10 am, 1 pm, 4 pm 3 .75 4 10/17 3 10 am, 1 pm, 4 pm 3 .75 4 10/18 1 10 am, 1 pm, 4 pm 0 .25 0 Season Total 81 ------------------ 4011 16.5 243
* Data not collected - survey route inaccessable due to refuge activities

2000 CHINCOTEAGUE  ROAD CENSUS: Daily & Seasonal Totals

 Date # Road Censuses  (each takes 15 minutes) Time  of Observations Total  Monarchs Hours of Observation Avg.  number  Monarchs/Hour of observation 9/16 3 10 am, 1 pm, 4 pm 4 .75 5.3 9/17 3 10 am, 1 pm, 4 pm 2 .75 2.7 9/18 3 10 am, 1 pm, 4 pm 2 .75 2.7 9/19 3 10 am, 1 pm, 4 pm 2 .75 2.7 9/20 3 10 am, 1 pm, 4 pm 0 .75 0 9/21 3 10 am, 1 pm, 4 pm 4 .75 5.3 9/22 3 10 am, 1 pm, 4 pm 3 .75 4 9/23 3 10 am, 1 pm, 4 pm 0 .75 0 9/24 3 10 am, 1 pm, 4 pm 2 .75 2.7 9/25 3 10 am, 1 pm, 4 pm 0 .75 0 9/26 3 10 am, 1 pm, 4 pm 213 .75 284 9/27 3 10 am, 1 pm, 4 pm 112 .75 149 9/28 3 10 am, 1 pm, 4 pm 44 .75 59 9/29 3 10 am, 1 pm, 4 pm 6 .75 8 9/30 3 10 am, 1 pm, 4 pm 1 .75 1.33 10/1 3 10 am, 1 pm, 4 pm 0 .75 0 10/2 3 10 am, 1 pm, 4 pm 0 .75 0 10/3 3 10 am, 1 pm, 4 pm 31 .75 41.3 10/4 3 10 am, 1 pm, 4 pm 29 .75 38.7 10/5 3 10 am, 1 pm, 4 pm 8 .75 10.7 10/6 3 10 am, 1 pm, 4 pm 1 .75 1.3 10/7 3 10 am, 1 pm, 4 pm 270 .75 360 10/8 3 10 am, 1 pm, 4 pm 86 .75 114.7 10/9 3 10 am, 1 pm, 4 pm 318 .75 424 10/10 3 10 am, 1 pm, 4 pm 42 .75 56 10/11 3 10 am, 1 pm, 4 pm 186 .75 248 10/12 3 10 am, 1 pm, 4 pm 115 .75 153.3 10/13 3 10 am, 1 pm, 4 pm 18 .75 24 Season Total 84 ------------------ 1,499 21 71.4
* Data not collected - survey route inaccessable due to refuge activities

2001 CHINCOTEAGUE  ROAD CENSUS: Daily & Seasonal Totals

 Date # Road Censuses  (each takes 15 minutes) Time  of Observations Total  Monarchs Hours of Observation Avg.  number  Monarchs/Hour of observation 9/15 3 10 am, 1 pm, 4 pm 2 .75 2.67 9/16 3 10 am, 1 pm, 4 pm 14 .75 18.67 9/17 3 10 am, 1 pm, 4 pm 36 .75 48 9/18 3 10 am, 1 pm, 4 pm 35 .75 46.67 9/19 3 10 am, 1 pm, 4 pm 53 .75 70.67 9/20 3 10 am, 1 pm, 4 pm 4 .75 5.33 9/21 3 10 am, 1 pm, 4 pm 34 .75 45.33 9/22 3 10 am, 1 pm, 4 pm 19 .75 25.33 9/23 3 10 am, 1 pm, 4 pm 4 .75 5.33 9/24 3 10 am, 1 pm, 4 pm 0 .75 0 9/25 3 10 am, 1 pm, 4 pm 0 .75 0 9/26 3 10 am, 1 pm, 4 pm 35 .75 46.67 9/27 3 10 am, 1 pm, 4 pm 4 .75 5.33 9/28 3 10 am, 1 pm, 4 pm 263 .75 350.67 9/29 3 10 am, 1 pm, 4 pm 660 .75 880 9/30 3 10 am, 1 pm, 4 pm 29 .75 38.67 10/1 3 10 am, 1 pm, 4 pm 110 .75 146.67 10/2 3 10 am, 1 pm, 4 pm 370 .75 493.33 10/3 3 10 am, 1 pm, 4 pm 132 .75 176 10/4 3 10 am, 1 pm, 4 pm 60 .75 80 10/5 1 10 am 29 .25 116 10/6 3 10 am, 1 pm, 4 pm 0 .75 0 10/7 3 10 am, 1 pm, 4 pm 678 .75 904 10/8 3 10 am, 1 pm, 4 pm 547 .75 729.33 10/9 3 10 am, 1 pm, 4 pm 139 .75 185.33 10/10 3 10 am, 1 pm, 4 pm 19 .75 25.33 10/11 3 10 am, 1 pm, 4 pm 19 .75 25.33 10/12 3 10 am, 1 pm, 4 pm 40 .75 53.33 Season Total 82 ------------------ 3335 20.5 161.5
* Data not collected - survey route inaccessable due to refuge activities

2002 CHINCOTEAGUE  ROAD CENSUS: Daily & Seasonal Totals

 Date # Road Censuses  (each takes 15 minutes) Time  of Observations Total  Monarchs Hours of Observation Avg.  number  Monarchs/Hour of observation 9/14 3 10 am, 1 pm, 4 pm 16 .75 21 9/15 3 10 am, 1 pm, 4 pm 45 .75 60 9/16 3 10 am, 1 pm, 4 pm 9 .75 12 9/17 3 10 am, 1 pm, 4 pm 39 .75 52 9/18 3 10 am, 1 pm, 4 pm 38 .75 51 9/19 3 10 am, 1 pm, 4 pm 49 .75 65 9/20 3 10 am, 1 pm, 4 pm 63 .75 84 9/21 3 10 am, 1 pm, 4 pm 26 .25 104 9/22 3 10 am, 1 pm, 4 pm * * * 9/23 3 10 am, 1 pm, 4 pm * * * 9/24 3 10 am, 1 pm, 4 pm 15 .75 20 9/25 3 10 am, 1 pm, 4 pm 0 .75 0 9/26 3 10 am, 1 pm, 4 pm 0 .75 0 9/27 3 10 am, 1 pm, 4 pm 4 .75 5 9/28 3 10 am, 1 pm, 4 pm 24 .75 32 9/29 3 10 am, 1 pm, 4 pm 13 .75 17 9/30 3 10 am, 1 pm, 4 pm 7 .75 9 10/1 3 10 am, 1 pm, 4 pm 3 .75 4 10/2 3 10 am, 1 pm, 4 pm 3 .75 4 10/3 3 10 am, 1 pm, 4 pm 4 .75 5 10/4 3 10 am, 1 pm, 4 pm 1 .75 1 10/5 1 10 am, 1 pm, 4 pm 12 .75 16 10/6 3 10 am, 1 pm, 4 pm 4 .75 5 10/7 3 10 am, 1 pm, 4 pm 5 .75 7 10/8 3 10 am, 1 pm, 4 pm 83 .75 111 10/9 3 10 am, 1 pm, 4 pm 3 .75 4 10/10 3 10 am, 1 pm, 4 pm 0 .75 0 10/11 3 10 am, 1 pm, 4 pm 0 .75 0 Season Total 82 ------------------ 450 19.00 25
* Data not collected

2003 CHINCOTEAGUE  ROAD CENSUS: Daily & Seasonal Totals

 Date # Road Censuses  (each takes 15 minutes) Time  of Observations Total  Monarchs Hours of Observation Avg.  number  Monarchs/Hour of observation 9/21 2 1 pm, 4 pm 0 .50 0 9/22 3 10 am, 1 pm, 4 pm 0 .75 0 9/23 3 10 am, 1 pm, 4 pm 8 .75 11 9/24 3 10 am, 1 pm, 4 pm 1 .75 1.3 9/25 3 10 am, 1 pm, 4 pm 0 .75 0 9/26 3 10 am, 1 pm, 4 pm 1 .75 1.3 9/27 3 10 am, 1 pm, 4 pm 1 .75 1.3 9/28 3 10 am, 1 pm, 4 pm 6 .75 8 9/29 3 10 am, 1 pm, 4 pm 97 .75 129.3 9/30 3 10 am, 1 pm, 4 pm 368 .75 490.6 10/1 3 10 am, 1 pm, 4 pm 312 .75 416 10/2 3 10 am, 1 pm, 4 pm 250 .75 333.3 10/3 3 10 am,  4 pm 104 .50 208 10/4 3 10 am, 1 pm, 4 pm 103 .75 137.3 10/5 3 10 am, 1 pm, 4 pm 126 .75 168 10/6 3 10 am, 1 pm, 4 pm 54 .75 72 10/7 3 10 am, 1 pm, 4 pm 12 .75 16 10/8 3 10 am, 1 pm, 4 pm 10 .75 13.3 10/9 3 10 am, 1 pm, 4 pm 5 .75 6.7 10/10 3 10 am, 1 pm, 4 pm 0 .75 0 10/11 3 10 am, 1 pm, 4 pm 0 .75 0 Season Total 65 ------------------ 1458 15.25 96
* Data not collected

2004 CHINCOTEAGUE  ROAD CENSUS: Daily & Seasonal Totals

 Date # Road Censuses  (each takes 20 minutes) Time  of Observations Total  Monarchs Hours of Observation Avg.  number  Monarchs/Hour of observation 9/18 3 10 am, 1 pm, 4 pm 0 1 0 9/19 3 10 am, 1 pm, 4 pm 0 1 0 9/20 3 10 am, 1 pm, 4 pm 1 1 1 9/21 3 10 am, 1pm , 4 pm 5 1 5 9/22 3 10 am, 1 pm, 4 pm 4 1 4 9/23 3 10 am, 1 pm, 4 pm 2 1 2 9/24 3 10 am, 1 pm, 4 pm 1 1 1 9/25 3 10 am, 1 pm, 4 pm 1 1 1 9/26 3 10 am, 1 pm, 4 pm 1 1 1 9/27 3 10 am, 1 pm, 4 pm 0 1 0 9/28 3 10 am, 1 pm, 4 pm 0 1 0 9/29 3 10 am, 1 pm, 4 pm 1 1 1 9/30 3 10 am, 1 pm, 4 pm 2 1 2 10/1 3 10 am, 1 pm, 4 pm 2 1 2 10/2 3 10 am, 1 pm, 4 pm 0 1 0 10/3 3 10 am, 1 pm, 4 pm 7 1 7 10/4 3 10 am, 1 pm, 4 pm 16 1 16 10/5 3 10 am, 1 pm, 4 pm 13 1 13 10/6 3 10 am, 1 pm, 4 pm 43 1 43 10/7 3 10 am, 1 pm, 4 pm 32 1 32 10/8 3 10 am, 1 pm, 4 pm 19 1 19 10/9 3 10 am, 1 pm, 4 pm 14 1 14 10/10 3 10 am, 1 pm, 4 pm 246 1 246 10/11 3 10 am, 1 pm, 4 pm 274 1 274 10/12 3 10 am, 1 pm, 4 pm 180 1 180 10/13 3 10 am, 1 pm, 4 pm 63 1 63 10/14 3 10 am, 1 pm, 4 pm 4 1 4 10/15 3 10 am, 1 pm, 4 pm 0 1 0 Season Total 84 ------------------ 931 28 33.25

2005 CHINCOTEAGUE  ROAD CENSUS: Daily & Seasonal Totals

 Date # Road Censuses  (each takes 20 minutes) Time  of Observations Monarchs Perched Monarchs in Flight Total  Monarchs Hours of Observation Avg.  number  Monarchs/Hour of observation 9/17 2 10 am, 1 pm, 4 pm 0 6 6 .66 9 9/18 3 10 am, 1 pm, 4 pm 1 8 9 1 9 9/19 3 10 am, 1 pm, 4 pm 1 7 8 1 8 9/20 3 10 am, 1 pm, 4 pm 1 8 9 1 9 9/21 3 10 am, 1pm, 4 pm 0 10 10 1 10 9/22 3 10 am, 1 pm, 4 pm 2 4 6 1 6 9/23 3 10 am, 1 pm, 4 pm 0 2 2 1 2 9/24 3 10 am, 1 pm, 4 pm 0 0 0 1 0 9/25 3 10 am, 1 pm, 4 pm 1 5 6 1 6 9/26 3 10 am, 1 pm, 4 pm 1 2 3 1 3 9/27 3 10 am, 1 pm, 4 pm 1 18 19 1 19 9/28 3 10 am, 1 pm, 4 pm 16 30 46 1 46 9/29 3 10 am, 1 pm, 4 pm 17 19 36 1 36 9/30 3 10 am, 1 pm, 4 pm 15 54 69 1 69 10/1 3 10 am, 1 pm, 4 pm 660 34 694 1 694 10/2 3 10 am, 1 pm, 4 pm 184 19 203 1 203 10/3 3 10 am, 1 pm, 4 pm 18 9 27 1 27 10/4 3 10 am, 1 pm, 4 pm 55 15 70 1 70 10/5 3 10 am, 1 pm, 4 pm 7 0 7 1 7 10/6 3 10 am, 1 pm, 4 pm 0 1 1 1 1 10/7 3 10 am, 1 pm, 4 pm 0 2 2 1 2 10/8 3 10 am, 1 pm, 4 pm 0 0 0 1 0 10/9 3 10 am, 1 pm, 4 pm 28 26 54 1 54 10/10 3 10 am, 1 pm, 4 pm 37 24 61 1 61 10/11 3 10 am, 1 pm, 4 pm 307 127 434 1 434 10/12 3 10 am, 1 pm, 4 pm 581 43 624 1 624 10/13 3 10 am, 1 pm, 4 pm 475 185 660 1 660 10/14 2 10 am, 1 pm 293 10 303 .66 455 Season Total ------------------ 2701 668 3369 19.3 174.4

The best flights at Chincoteague are generally associated with cold fronts with winds out of the north and west.

All data © Denise R. Gibbs and Dr. Lincoln P. Brower.