PROFESSOR FORBES ON THE CLIMATE OF EDINBURGH. 351 
TABLE XIII.—SHowING THE FIVE-DAY MEANS OF TEMPERATURE FOR FORTY YEARS, AS 
OBSERVED AND AS COMPUTED FROM THE FORMULA; ALSO THE FLUCTUATION OF DAILY 
TEMPERATURE IN FoRTY YEARS, AND THE MEAN DAILY RANGE (TWENTY-NINE YEARS’ 
















AVERAGE). 
=I =| 
Temperature. 2 > Temperature. So > 
pie PE" | as pie, | 2= | Oe 
Cal- Ob- Se eae Cal- | Ob- a | $e 
culated. | served. =I ie culated. | served. =I g|4 
e A 
Jan. 1-5 | 36-92 | 36:30 |—0-62|24-4| 9:4|| July 5-9 | 58-00 | 57°68 |—0-32| 16-1 | 16-9 
6-10) 86°76 | 35:84 |— -92/24-4/} 9-5 10-14] 58-20 | 58-67 |+ -37)|19°3/16-5 
Ti-15| 36:74 | 35:97 i— -77/27-5| 9-4 15-19) 58°54 | 58-60 |+ -06| 20-4] 16-1 
16-20) 36:72 | 37:06 |+ -34|29-6| 9-6 20-24] 58-71 | 58-00 |— -71}| 15-3) 15-8 
21-25] 36:78 | 37-65 |+ -87| 28-2} 10-3 25-29) 58-78 | 58-98 |+ -20| 15-8) 17-0 
26-30] 36°82 | 37-34 |+ -52| 26-6 | 10-5 30-8 | 58-69 | 58-32 |— -37|16-7| 16-5 
31-4 | 37-06 | 37:16 |+ -10| 28-0/10-6)| Aug. 4-8 | 58°52 | 58-32 |— -20| 13-5) 16-5 
Feb. 5-9 | 37-27 | 37:55 |4+ -28| 26-8] 10-6 9-13} 58:24 | 58-27 |+ -03/17-3] 16-5 
10-14] 37-54 | 38-33 |+ -79| 26-1] 11-1 14-18) 57-81 | 57-44 |— -37|18-7| 15-7 
15-19] 37-80 | 837-94 |4+ -14)| 25-3 | 11-2 19-23) 57-37°| 57-05 |— -32/18-8| 15-7 
90-24| 38-21 | 38:35 |+ -14| 23-2} 10-8 24-28 56-80 | 56-25 |— -55| 14-9] 16-0 
25-1 | 38-60 | 38-32 |— -28) 26-0) 11-3 29-2 | 56-12 | 56-46 | + -34)| 18-9) 16-1 
Mar. 2-6 | 39-08 | 38:96 |— -12|21-5|12-5|| Sept. 3-7 | 55-36 | 55-13 |— -23/19-1) 15-4 
7-11) 39:53 | 39-91 |+ -38| 24:7) 13-9 8-12) 54:54 | 54:45 |— -09/18-9| 16-0 
12-16} 40-11 | 40-74 |4+ -63| 25-3 | 13-3 13-17 53-62 | 54-73 | + 1-11 | 20-4| 15-7 
17-21| 40°66 | 41-38 |+ -72|21-4/ 14-0 18-22) 52-71 | 52-55 |—0-16 | 18-6 | 15-1 
29-26] 41:35 | 41-01 |— -34| 21-0/ 13-7 23-27| 51-72 | 52-33 |4+ -61 | 20-4) 14-2 
97-31] 42-03 | 41-94 |— -09 | 22-2|14-3 28-2 | 50-70 , 51:03 |+ -33)| 20-1) 14-9 
April 1-5 42-75 | 42-82 |+ -07|22°3/14-6|| Oct. 3-7 | 49-57 | 50:21 |4+ -64 | 21-4/138-5 
6-10) 43-44 | 48-73 |+ -29]| 20-7 | 14-9 8-12) 48-61 | 48-44 |— -17 | 20:0} 12-6 
11-15] 44°30 | 44-37 |4+ -07/ 20-7| 15-7 13-17) 47:55 | 47-40 |— -15 | 22-6} 13-1 
16—20| 45:08 | 45-28 }4+ -20/21-:0/16-1 18-22) 46:53 | 46:92 |4+ -39 | 22-7) 13-1 
91-25) 46-01 | 45-49 |— -52 | 22-9) 15-5 23-27) 45-44 | 45-43 |— -01) 21-0) 12-0 
26-30) 46:92 | 47-37 |4+ -45| 19-8) 16:3 28-1 | 44-54 | 44-54 00 | 23-2} 12-2 
May 1-5 47-79 | 48-21 |+ -42/19-0/17-1|| Nov. 2-6 | 43-55 | 42-90 |— -65|19-9| 11-1 
6-10} 48-70 | 48-14 |— -56| 20-5 /16°5 7-11) 42-69 | 42:22 |— -47/| 22-2) 10-6 
11-15] 49-64 | 48-60 |— 1-04 | 20-3 | 17-6 12-16) 41-79 | 41-26 |— -53 | 21-2} 10-9 
16—20| 50-55 | 50-69 |+0-14 | 21-5 | 17-5 17-21] 41-05 | 40-74 |— -31] 23-1] 11-2 
21-25) 51-49 | 52-34 |+ -85/ 20-2 | 16-7 22-26) 40°35 | 39:55 |— -80 | 23:8) 10-6 
26-30] 52°38 | 52:99 |+ -61)23-3/17-5 27-1 | 39-64 | 39-48 |— -16| 25-2) 10-0 
31-4 | 53-27 | 54:03 |+ -76|20-1]18-0|| Dec. 2-6 | 39-01 | 88:99 |— -02/25-8| 9-8 
June 5-9 | 54:08 | 54-41 |4 -33 | 22°9/17-5 7-11] 38-53 | 39-87 |+ 1:34 |24-7| 9-7 
10-14] 54:93 | 55-68 |+ -75|21-5|17-9 12-16; 38-00 | 39-89 |}+ 1-89 | 24-9] 9-9 
15-19 55-64 | 56:00 |+ -36|19-5| 17-9 17-21] 37-69 | 38-76 |+1-07/22-2| 9-7 
20-24) 56-36 | 56:39 |+ -03/18-8/17-7 29-26) 37-32) | 37-32 0:00/; 30:1) 9-7 
25-29) 56.96 | 56-81 |— -15| 21°7/17-7 27-31) 37-11 | 86-62 |— -49|26-7| 9-7 
30-4 | 57-50 | 57-39 |— -11/17-:0/|17-6 







64. In this Table I have included the five-day means of the “ fluctuation ” of 
, temperature for forty years for a given day, deduced as above; also the “ mean 
MOL: XX. PART It. 4x 

