TABLES OP DIFPBRBJMCBS OP MEAN TEMPERATlTRES. 147 



Hour. 



J^n. 



Feb. 



Mar. 



Apr. 



May. 



June. 



July. 



Aug, 



Sept. Oct. 



Nov. 



Dec. 



Year. 







New Haven, Conn. Lat. 41 



° 18'. Long 



72° 56' W. ofG. 



Alt. 



about 45 feet. 



Partly 1779 to 1865, partly 1838 to 1852, constructed from various hours of observation. 





o 



(J 























;, 



(, 







Q 







° 



Mdn't 



— 2.27 



-2.87 



—3-71 



—4.65 



—5.40 



-5.81 



— 5.20 



—4.7s 



—4.79 



—4.08 



— 2.64 



—2.17 



— 403I 



I 



—2.62 



—3-34 



—4 



32 



-5-43 



-6.27 



—6.93 



-6.17 



—5 



57 



-5.63 



—4.84 



-3- 18 



—2.49 



—4 



73 



2 



— 3.00 



—3.80 



—4 



85 



— 6.10 



-7.16 



—8.05 



—6.97 



—6 



29 



-6.32 



-5.48 



—3.68 



—2.82 



—5 



38 



3 



—3-34 



— 4-31 



-5 



37 



—6.74 



—7-97 



-8.71 



—7-55 



—6 



76 



—6.80 



6.05 



— 4.10 



—3.17 



-5 



91 



4 



—3-70 



—4-79 



-5 



81 



—7-32 



—8. 50 



—8.86 



—7-69 



—7 



16 



—7.23 



-6.51 



—4.50 



—3-49 



—6 



30 



5 



—4.07 



-5.16 



—6 



18 



—7-53 



—8.38 



-8.17 



-7-39 



—7 



10 



—7.35 



—6.81 



—4.80 



-3-78 



—6 



39 



6 



—4-34 



—5.30 



—6 



09 



-7- IS 



—6.60 



-6.13 



-6.15 



—6 



36 



—6.84 



—6.65 



—4.80 



— 3-97 



—5 



86 



7 



-4.38 



—5. 10 



—4 



91 



—5-27 



-3.63 



— 3-17 



-3-68 



—4 



11 



—4.75 



—5.27 



-4.48 



—3-96 



—4 



39 



8 



-3-82 



—3-69 



— 2 



30 



— 2.04 



—0.51 



-fo.03 



—0.86 



— I 



34 



—1.72 



—2.29 



—2.98 



—3.21 



— 2 



06 



9 



—1-33 



—0.51 



4-0 



46 



+ 1.12 



4-2.14 



-1-2.68 



4-1.64 



4-1 



22 



4-1.25 



-hO.58 



— 0.46 



— 1. 01 



4-0 



65 



»o 



+ 1-59 



4-2.48 



4-3 



24 



-^3-87 



-I-4.21 



4-4.73 



-1-3-79 



-^3 



39 



4-3.78 



4-3-52 



4-2.24 



4-1-63 



4-3 



21 



II 



4-3-63 



+4-23 



4-4 



86 



4-5-49 



4-5-77 



4-6.08 



4-5-57 



4-5 



28 



-h5.65 



4-5.65 



-1-4. 19 



4-3-49 



+4 



99 



Noon 



+5-19 



4-5-56 



+6 



14 



-h6.78 



-f6-98 



4-7.12 



4-6.71 



4-6 



50 



4-6.S9 



4-6-95 



-f5.63 



4-5-05 



-f6 



29 



I 



+6.07 



4-6.59 



4-7 



03 



4-7-74 



4-7-93 



4-7.93 



4-7-46 



+ 7 



30 



-f7.67 



4-7-75 



4-6.37 



4-5-85 



4-7 



14 



2 



+6-34 



4-6.95 



+7 



47 



-h8-32 



-h8.5i 



4-8-32 



4-7.81 



+7 



69 



-1-8.04 



4-8.08 



-h6.57 



+6.12 



+7 



52 



3 



+5.88 



4-6.76 



-^7 



34 



+8-3i 



4-8-53 



4-8-25 



4-7-71 



4-7 



62 



4-7.89 



-I-7-71 



4-6.19 



-h5-53 



4-7 



31 



4 



+4-73 



4-5-78 



+6 



60 



+ 7-S3 



4-8.02 



-1-7-63 



4-7-19 



+ 7 



06 



-1-7.15 



4-6.60 



4-4.63 



4-4-02 



-^6 



44 



S 



+2.84 



-I-3-8I 



4-4 



74 



-I-6.60 



4-6.79 



4-6.48 



4-6-13 



+5 



89 



-f5.8o 



4-4.47 



-1-2.88 



-1-2.09 



4-4 



88 



6 



+ 1-39 



4-2.01 



4-2 



54 



4-4-05 



+4-72 



+4.31 



+4.18 



4-3 



94 



4-3.97 



4-2.76 



4-1.56 



4-1.00 



+3 



04 



7 



+0.31 



4-0.62 



4-0 



88 



-+-I-47 



-Hi. 65 



-f2.l6 



4-2.03 



4-1 



92 



4-1.88 



-l-i.iS 



-1-0. 50 



-I-0.21 



4-1 



23 



8 



—0.49 



—0.44 



— 



57 



— 0.61 



— 0.62 



—0.08 



4-0. II 



— 



01 



—0.08 



— 0.22 



—0.37 



—0.49 



— 



32 



9 



— i.ii 



—1.23 



— I 



66 



—1.98 



—2.23 



—1.82 



-1.65 



— I 



65 



— 1.69 



-1.46 



—1.07 



— 1.04 



— I 



55 



lO 



—1-55 



-1. 84 



— 2 



40 



—2.97 



—3-47 



-3-28 



—2.88 



— 2 



79 



-2.85 



—2.42 



—1.59 



— 1.46 



— 2 



46 



II 



-1-95 



-2.38 



—3-05 



-3-80 



—4-45 



— 4.60 



—4. II 



-3.86 



-3-87 



—3.28 



— 2.12 



—1.82 



—3-27 



Comb's 





























lO, lO 



+0.02 



4-0.32 



4-0.42 



4-0.45 



4-0.37 



4-0.72 



4-0.45 



4-0.30 



4-0.46 



4-0. 55 



4-0.32 



4-0.08 



4-0.37 



6, 2, 9 



+0.30 



4-0.14 



—0.09 



—0.27 



— 0.1 1 



-I-0.12 



0.00 



— .0.11 



—0.16 



O.OI 



4-0.23 



4-0.37 



4-0.04 



6, 2, lO 



+0.15 



—0.06 



— 0-34 



—0.60 



— 0.52 



—0.36 



— 0.41 



—0.49 



—0-55 



— 0-33 



4-o.o5 



4-0.23 



—0.27 



7,2,9 



+0.28 



-|-0.2I 



4-0-30 



-1-0.36 



4-0.88 



-fi.ii 



4-0.83 



-I-0.64 



-1-0.53 



4-0.45 



4-0.34 



4-0.37 



4-0-53 



7, 2, 9 bis 



—0.06 



—0.15 



— 0.19 



—0.23 



-j-O.IO 



4-0.38 



+0.21 



-i-0.07 



— 0.02 



— 0.03 



O.OI 



4-0.02 



-l-o.oi 



3,9,3,9 



+0.02 



-I-O.18 



4-0.19 



4-0.19 



4-0.12 



4-0. 10 



4-0.04 



4-0.11 



-I-0.16 



4-0.19 



4-0.14 



+0.08 



-fo.>3 





I 



3rookl 



yn Heights, N. Y. Lat. 



40° 41'. Lo 



ig- 73° 59' W. of G. 









Alt. . . Dec. 1847, tc 



May, 1849, incl 



usive. 





Mdn't 



—1-3 



—1.6 



-3-8 



—4-9 



—3-7 



-6.4 



—2.4 



— 3.0 



—2-9 



— 3.1 



_, Q 



— '•7 



—3 



.1 



I 



—1.6 



— -2.2 



—4.4 



—5 



5 



—4 



4 



—7 







— 2.S 



' — 3 



.6 



—3-5 



—4.0 



—2-5 



—1.9 



—3-6 



2 



—1.9 



—2.9 



—4.8 



—5 



9 



—5 







—7 



2 



—3.2 



—A 



.1 



—4-1 



-4.8 



—3-1 



— 2.0 



—4-1 



3 



— 2.2 



—3-5 



—5-0 



—6 



I 



—5 



4 



—7 



3 



—3.4 



—4 



.4 



—4-5 



—5-2 



—3-5 



— 2.1 



—4-4 



4 



—2.4 



—3-9 



—5-2 



—6 



2 



—5 



7 



—7 



2 



-3.6 



—4 



5 



-4.8 



-5-6 



-3-8 



— 2.1 



—4.6 



S 



—2.6 



—4.0 



—4-7 



—5 



9 



—5 



7 



—6 



7 



-3-6 



—4 



5 



—4.9 



—4.1 



-3-7 



— 2.1 



—4-4 



6 



—2.6 



—3-9 



—4-7 



—5 



8 



—5 







—5 



6 



-3.6 



—4 



I 



— 4.6 



—2.8 



—3-2 



— 1.9 



—4.0 



1 7 



—2.6 



—3-9 



—4.0 



—4 



2 



— 2 



8 



— 2 



3 



—2.9 



—3 



2 



—3.7 



—2.8 



—3.3 



—1-7 



—3-1 



8 



—2-3 



—2.9 



— 2.2 



— 



6 



— 



7 



4-0 



7 



-1.6 



— I 



8 



—2.4 



—1.3 



— 2.0 



—1.6 



—1.6 



9 



—1-3 



—0.9 



— 0.3 



+ 1 



3 



4-0 



8 



4-2 



9 



— 0.2 



-^o 



I 



—0.4 



4-0.5 



— 0.1 



—0.7 



4-0.1 



lO 



4-0.2 



4-1. 1 



4-2.b 



4-3 







+2 



7 



4-3 



9 



4-0.9 



4-2 



3 



-h2.I 



4-2.1 



4-1.8 



4-0.6 



4-1-9 



if 



+ 1.9 



4-2.4 



4-4.0 



4-51 



4-4-8 



-F5.7 



-t-2.6 



-f3.8 



4-4.8 



4-3-7 



4-3-5 



4-1.9 



+3-7 



- 



