Dr. Holyoke's Tabic of Bcsnlts. 



89 



F/. A Table of Results^ from a Course of Ob.^ervafions made on tltc Heat of the Ahnos- 



phere, hy Fahrenheit's Thermometer, hi the Years 17S6, 1787, 1788, 1789, 1790, 1791, 

 and 1792, at Salem^ in Massachusetts^ Lat, 42^ 34' N. Shcwinrj the Mean Ileal of 

 each Months at four Ohservations per Day, and the Mean of each Observation : — 

 The hottest and coldest Day in each Month ; and the greatest Variation of the Ther- 

 mometer in 24 Hours : — The Number of Days ^n each Year, in rchich the llicrmnm- 

 eter rose to 80° and upwards; the number of days to 90° and npicards ; and the 

 hottest Day : — The Number of Days, in rchich the Thermomder suuh to 32° and btUju' ; 

 the Number of Days to Zero and beloia ; and the coldest Day, To which arc added, 

 Results from the xvhole ; which shew the Mean Temperature of each Month, Season y 



Year, S^^c. S^'c. i?^ EDWAKD AUGUSTUS IlOLYOliE, M. D. F. A. A. 



17SG. 1787. 



k^ 



7-1 



CO 



C5 



O 

 O 



S 





c3 





o ^ 





a 

 o 



o 



■w 



r^ 



Mth. 



Jan. 



Feb. 



Mar. 



Apr. 



May 



Juue 



eJiily 



Aug. 



Sep. 



Oct 



Nov. 



Dec. 



8 a.m. 



22. 



27. 

 38. 

 43. 

 58. 



72. 



71. 



G8. 

 60. 

 53, 

 32. 

 24. 



Noon, 



6 30. 

 2 34. 



2 



Qsete 



7 

 3 

 3 

 1 

 2 



6 



7 

 



7 



45. 

 48. 

 62. 

 79. 

 78. 

 75. 

 69. 

 63. 

 39. 

 31. 



7 

 5 

 6 



6 



1 

 3 

 6 



4 



1 PM 



21. 

 24. 

 34. 

 30. 

 50. 

 64. 

 64. 

 63. 

 57. 

 50. 

 31. 

 23. 



7 

 7 

 8 

 7 

 6 

 4 

 2 

 1 

 8 



7 

 6 



Meaiil47. 82154. 74 



|43. 1|48.53 





'T3 







O 



S5 



.p-i ^ 



C3 O 

 O c? 



a 





03 



m 



^ 







Jan. 



Feb. 



Mar, 



Apr. 



Mav 



■lunc 

 luh 



Vui: 



Sep. 

 Oct. 



Dec. 



Hottest 



. day. 



22^480 jl7tli-iio 



Coldest p^t^^^t 



24 hours. 

 2lst32o 



day. 



27 50 

 26 78 

 16 63 



28 71 



4 93 

 16 91,5 



5 8.9 



30 80 

 1 85 

 7 59 



31 45 



11 



10 



2 



4 

 9 



28 



27 



23 



31 

 28 



12- 



11 

 25 

 25 



45 



55 

 52 

 42 



29 



4 



5 



11 

 27 



11 



21 



4 

 27 



6 

 30 

 18 

 28 

 13 



30 

 21 

 15 

 17 

 30 

 25 

 17 



24 



22 



30 

 30 



KaDgc 

 of each 

 JDoatb. 



590 

 39 



53 



26 



8 





:^Q-b 



37 



56 

 52 

 50 



^ 9 



c 





^ 



CO 



cc 



K3 





> 



Thermometer at 80o 

 and upwards, in 



June 13 days 



July 1 1 



August 8 

 September 2 

 October 1 



Thcrmom. at90o 

 and upwards, in 

 eTune 



35 



July 



1 day 

 3 



4 



Ilottcst (lay. 

 June 4th,' 93o 



I 



a 







o 





Thermometer ac 32<^lThcrmom. at Qo 



^■H ^ 



= >% 



and below, in 



January 27 days 



February 25 



Marclx 9 



April 3 



^ fr 



o 



en 



^'October 1 

 ^ .November 18 

 '^ December 25 



and under, in 



January 3 days 

 Dec. 1 



4 





^ * ' 



108 



Coldest day. 

 Jan. iTdi, — 11« 



Mean of 



Month. 

 24.8 



28. 63 



39. 73 



40.8 



57.17 



71,6 



71.3 



68.9 



62.5 



55.6 



34. 7 



26.56 



1 



Mth. 



Jan. 

 |Feb. 

 jMar. 



Apr. 

 May 



June 



jjuly 



Aug. 



Oct. 



Nov. 

 1 >ec. 



8 A.M. 



23. 

 21, 



34. 

 43, 



69. 

 70. 



59. 

 48. 

 39. 

 28. 



Noon. Qsetg lu v:s\ 



9 30. 

 530. 



6 



5 

 4 



8 





42. 

 53. 

 61. 

 6 71. 

 76. 

 77. 

 67. 

 56. 

 4 7. 

 35. 



8 

 3 



8 



4 



2 

 1 

 9 

 5 

 5 

 8 

 2 

 5 

 5 



6 



26. 



25. 

 36. 

 46. 

 54. 

 63. 

 6 7. 

 C9. 

 60. 



48. 

 40. 



31. 



6 23. 

 6 22. 

 6 31. 



40, 



7 



4 



49. 



6'59. 

 l|62. 



5 Crl, 

 bb. 



7 43. 

 38. 



6 27. 



1 

 6 



8 



5 



7 



1 

 1 



^T4';ni nf 

 Mnlith. 



26.2 

 24.77 



36. 1 

 15. 77 

 55.52 



65.3 



69,25 



70. 



60. 5 



49.15 



41, 35 



30.7 



Mcan!46. 83,54. 2 47. 47^42.86 4 7. 88 



Jan. 



Feb. 



Mar. 



Apr. 



Maj- 



June 



July 



Aug. 



Sep. 



Oct. 



Nov. 



Dec. 



Hottest Coldest 



o 



dav. 



12 50 

 19 62 



4 75 

 6 78 



14 91 



8 91 



9 89 

 10 87 



3 70 



15 Q^b 



5 48 



day. 

 19tli_5 



10 

 8 

 2 



15 

 7 



17 

 1 



15 



18 

 2 



16 



-3 

 16 

 22 

 42 

 50 

 bb 

 53 

 44 

 32 

 25 

 12 



Greatest ; I!hti,:b 

 change ia of each 

 21 hours, month. 



19th29° '530 



11 



24 

 5 

 6 



27 



8 



9 

 12 



4 

 15 



6 



40 

 27 

 28 

 22 

 23 

 24 

 Id 

 17 



25 

 24 



17 



I 



53 

 46 

 53 

 36 

 41 



36 

 43 



38 



30 

 36 



fino 



Thermometer at 8O0 Thermometer at 90 



and upwards, in 

 June 1 



and upwards, in 



Ju n e 



July 



August 



10 days 



13 



13 



September 2 



38 



July 1 



2 



Hot test diiv, June 4th 

 and July^^^ 91 ^ 



Thermom. at Oo 

 and under, in 



Thermometer at 32o 



and under, in 



January 25 days'January 1 

 February 27 February 3 



March 1 7 



April 6 



October 1 



iNoveraber 9 

 December 26 



4 



s 



111 



Coldest day. 

 Jan. 19th, —5 



M 



• 



