WEATHER AND CHANGE IN WEIGHT OF BEE COLONY 



13 



Table. 1. — Hourly changes in weight, in grams, colonies 1 and 2, May 18 to 30, 



1923 



Date 



Col- 

 ony 

 num- 

 ber 



5 

 a. m. 



6 

 a. m. 



7 

 a. m. 



8 

 a. m. 



9 

 a. m. 



10 

 a. m. 



11 

 a. m. 



12 

 m. 



1 

 p. m. 



2 

 p. m. 



3 

 p. m. 



4 

 p. m. 



Mav 18- 





-20 

 -40 

 -60 

 -40 

 -70 

 -80 

 -70 

 -70 

 -80 

 -90 

 -50 

 -60 

 -30 

 -40 

 -60 

 -60 

 .-,50 

 -60 

 -50 

 -70 

 -60 

 -60 

 -70 

 -80 

 -70 

 -60 



-40 

 -30 

 -30 

 -40 

 -60 

 -100 

 -70 

 -70 

 -80 

 -90 

 -60 

 -70 

 -30 

 -40 

 -30 

 -50 

 -60 

 -80 

 -50 

 -70 

 -50 

 -70 

 -50 

 -80 

 -70 

 -60 



-150 



-180 

 -80 



-110 

 -90 



-100 

 -50 

 -50 

 -70 

 -80 

 -70 

 -80 

 -50 

 -60 

 -60 

 -60 

 -80 

 -50 

 -20 

 50 

 -50 

 -70 

 -30 

 10 

 -70 

 -80 



140 

 -160 

 -200 

 -210 

 -180 

 -190 

 -80 

 -90 

 -160 

 -170 

 -80 

 -80 

 -70 

 -50 

 -120 

 



50 



140 



220 



340 



-60 



-30 



130 



210 



-80 



-40 



250 



390 



-130 



-190 







90 



-280 



-280 



-200 



-250 



-220 



-230 



-110 







170 



. 150 



170 



190 



230 



200 



20 



50 



190 



150 



-50 



-330 



270 

 420 

 80 

 140 

 250 

 300 

 -40 

 -30 

 100 

 150 

 230 

 300 

 140 

 150 

 450 

 490 

 330' 

 330 

 350 

 340 

 130 

 130 

 300 

 210 

 -60 

 150 



290 

 360 

 320 

 330 

 280 

 300 

 380 

 460 



90 

 220 

 -90 



90 

 360 

 510 

 340 

 400 

 530 

 450 

 370 

 410 

 270 

 280 

 370 

 240 



40 



30 



230 

 300 

 280 

 330 

 430 

 460 

 370 

 440 

 340 

 370 

 280 

 330 

 330 

 370 

 370 

 430 

 290 

 380 

 330 

 370 

 300 

 250 

 360 

 370 

 30 

 140 



50 



80 

 170 

 130 

 310 

 590 

 400 

 460 

 350 

 390 

 390 

 370 

 



80 

 120 

 140 

 120 



60 

 360 

 240 

 520 

 400 

 390 

 300 

 200 

 190 



330 

 490 

 210 

 340 

 220 



80 

 270 

 270 

 220 

 300 

 320 

 340 

 400 

 430 

 140 

 290 



30 

 190 

 100 



30 

 100 

 -40 

 140 



50 

 180 

 180 



150 

 280 

 370 

 480 

 310 

 460 

 330 

 530 

 260 

 320 

 -60 

 -80 

 430 

 510 

 250 

 330 

 240 

 450 

 290 

 420 

 170 

 250 

 230 

 120 

 130 

 100 



400 



Do _ 



560 



May 79. 



350 



Do 



May 20 



420 

 760 



Do 



940 



May 21 



770 



Do 



920 



May 22 



470 



Do 



540 



Mav 23 



-10 



Do 



-90 



May 24... 



450 



Do 



510 



May 25 



480 



Do 



700 



May 26 



500 



Do 



660 



May 27 



480 



Do 



560 



May 28 



580 



Do 



660 



May 29 



540 



Do 



650 



May 30 



230 



Do 





190 



Date 



Col- 

 ony 

 num- 

 ber 



5 

 p. m. 



6 

 p. m. 



7 

 p. m. 



8 

 p. m. 



9 

 p. m. 



10 

 p. m. 



11 

 p. m. 



12 

 p. m. 



1 

 a. m. 



2 



a. m. 



3 

 a. m. 



4 

 a. m. 



May 18 



2 



470 

 660 

 360 

 470 

 370 

 270 

 290 

 250 

 490 

 530 

 140 

 180 

 460 

 550 

 400 

 580 

 400 

 550 

 400 

 410 

 560 

 610 

 690 

 580 

 520 

 440 



210 

 360 

 590 

 710 

 -130 

 -130 

 350 

 430 

 240 

 310 

 90 

 160 

 370 

 560 

 400 

 560 

 480 

 640 

 520 

 540 

 750 

 760 

 680 

 580 

 710 

 620 



-70 



-50 



130 



280 



-120 



-110 



-110 



-130 



-90 



-100 



-60 



-50 



-30 



-30 



70 



-140 



360 



440 



510 



530 



490 



450 



620 



550 



150 



140 



-50 



-50 



-100 



-110 



-70 



-90 



-120 



-130 



-80 



-110 



-20 



-40 



-70 



-110 



-100 



-130 



-90 



-100 



-100 



-90 



-90 



-80 



-80 



-80 



-80 



-100 



-80 

 -70 

 -100 

 -100 

 -70 

 -60 

 -100 

 -120 

 -80 

 -70 

 -50 

 -70 

 -60 

 -60 

 -90 

 -100 

 -70 

 -90 

 -80 

 -90 

 -100 

 -100 

 -120 

 -120 

 -80 

 -50 



-60 

 -70 

 -90 

 -80 

 -60 

 -80 

 -90 

 -70 

 -70 

 -90 

 -30 

 -30 

 -70 



-100 

 -60 

 -80 

 -80 

 -90 

 -90 



-100 

 -80 

 -90 

 -80 

 -60 

 -70 

 -60 



-50 

 -70 

 -80 

 -80 

 -70 

 -70 

 -90 

 -110 

 -60 

 -80 

 -40 

 -60 

 -50 

 -40 

 -70 

 -90 

 -50 

 -80 

 -80 

 -80 

 -70 

 -60 

 -80 

 -80 

 -50 

 -50 



-50 



-50 



-100 



-100 



-90 



-70 



-110 



-110 



-60 



-100 



-20 



-30 



-50 



-80 



-60 



-90 



-80 



-110 



-80 



-120 



-90 



-120 



-110 



-110 



-70 



-90 



-60 

 -60 

 -60 

 -60 

 -70 

 -70 

 -60 

 -70 



-eo 



-60 

 -40 

 -40 

 -40 

 -60 

 -50 

 -70 

 -50 

 -60 

 -60 

 -70 

 -60 

 -70 

 -70 

 -60 

 -50 

 -30 



-50 

 -50 

 -70 

 -60 

 -60 

 -70 

 -80 

 -80 

 -60 

 -70 

 -20 

 -40 

 -50 

 -80 

 -50 

 -70 

 -50 

 -80 

 -60 

 -60 

 -70 

 -60 

 -70 

 -60 

 -50 

 -50 



-50 

 -50 

 -40 

 -40 

 -80 

 -60 

 -80 

 -80 

 -60 

 -70 

 -30 

 -40 

 -40 

 -60 

 -50 

 -70 

 -50 

 -80 

 -60 

 -80 

 -70 

 -80 

 -80 

 -90 

 -50 

 -60 



-70 



Do... 



-70 



May 19 



-80 



Do. 



-70 



May 20 



—70 



Do.. 



—80 



May 21 



Do 



-70 



—90 



Mav 22.. 



—50 



Do 



—80 



May 23.. 



-30 



Do 



—40 



May 24 



—50 



Do.. 



—60 



May 25 



-50 



Do.. 



-80 



May 26 



-60 



Do 



-80 



May 27 



-60 



Do 



-70 



May 28 



-70 



Do 



-70 



Mav 29 



-80 



Do 



Mav 30 



-80 

 -50 



Do 



-50 







^ 



The coefficient of correlation of the changes in weight between 

 colony 1 and colony 2 for the diurnal hours from 6 a. m. to 7 p. m., 

 inclusive, based on 277 hours, is .9076 ±.0071. The coefficient of 

 correlation for the nocturnal hours, 8 p. m. to 5 a. m., inclusive, based 

 on 190 hours, is .8938 ±.0098. The correlations are high, and have 

 an insignificant probable error, indicating that the activity in both 



