318 EF. L. DeForest on Reducing Meteorological Observations. 
cause the small are of the curve which belongs to any one day 
may be regarded as nx obama a straight line, so that the 
mean of all its ordinates is equal to its middle ordinate, which 
m t day. The 
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correct to the nearest minute, one circuits of arc here corres- 
ponding to about twenty-four minutes of time. 
Ares representing the mean interval of time from the beginning of the 
year to the middle of each day. 
Jan. | Feb. |M’ch.} April. | May. | June. | July. | Aug. | Sept. | Oct. | Nov. | Dec 
ov Od ou ae 5 oO 7 ° 2] ie) of 
1| 630/31 ‘3/5853) 89 26/119 118 9 34/179 'g|008 41 240 isles 49 300 32/329 56 
2| 129\32 2/59 52| 90 26/120 0/150 33/180 7 210 40/241 14/270 48 301 21 |330 5? 
3] 228)33. 1/60 51} 91 25/120 59/151 32/181 6 211 40/242 13 271 47 302 20)331 55 
4| 327/34 0/6151) 92 24/121 58/152 31/182 5/212 39/243 12 272 46 303 20/382 54 
5] 4 26/34 59/6250) 93 23/122 57 153 30/183 5 213 38/244 11 273 45/304 19/333 53) 
6| 5 25|35 59/63 49) 94 22/123 56/154 30/184 4/214 37/245 10 274 44 305 18/334 52) 
7| 6 24/36 5864.48) 95 21/124 55/155 29/185 3 215 36/246 9 275 44 306 17/335 51 
8| 7 24/37 57/65 47| 96 20/125 55/156 28/186 2/216 35/247 9 276 43 307 16|336 50 
9} 8 23/38 56 66 46) 97 19/126 54/157 27/187 1/217 34/248 8/277 42 308 15/337 49 
10 9 22/39 55 67 45/ 98 19/127 1188 0/218-34 7/278 41 309 14/338 49 
11|10 21/40 54/68 44/ 99 18/128 52) 159 25/188 59 219 33/250 6 279 40 310 13/339 48 
12| 11 20/41 53 69 44/100 17 129 51 160 24/189 59 220 32/251 5/280 39 S11 13/340 47 
13/12 19] 42 53/70 43/101 16/130 50)161 24/190 58/221 31/252 4/281 38 312 12/341 46 
14| 13 18/43 52/71 42/102 15 131 49/162 23/191 57 222 30/258 3/282 38 313 11/342 45 
15|14 18 44 51/72 41/103 14/132 48 | 163 22/192 56 223 29/254 3/283 37 B14 10/343 44 
116/15 17/45 50/73 40 104 13 133 48) 164 21 193 55224 28/955 2/284 36 315 9|344 43 
17/16 16 46 49) 74 39/105 18 134 47/165 20) 194 54 225 28/256 1/285 35 B16 8/345 42 
18/17 15 47 48 75 38/106 12/135 46) 166 19/195 257 0/286 34/317 7/346 42 
19]18 14/48 47/76 38/107 11/136 45/167 18/196 53 227 26/257 59287 33 818 7/347 41 
20|19 13 49 47)77 37) 108 10/137 44/168 17|197 52 228 25/258 58/288 32/319 6/348 40 
21/20 12 50 46 73 36/109 9 138 43) 169 17|198 51/229 24 25 57 289 32 320 5/349 39 
22/21 11/51 45/79 35)110 8/139 42/170 16/199 50 230 23/260 57/290 31321 4/350 38) 
23 22 11 52 44/80 34 111 7/140 42/171 15/200 49 231 22/261 56/291 30/322 3/351 37 
| 24/23 10/53 43/81 33/112 7) 141 41/172 14/201 48 932 22/262 55/292 29 823 2/352 36 
25/24 9 54 42/82 32/113 6/142 40/173 13|202 47 233 21/263 54/293 28/324 1/353 36 
26/25 8 55 41/83 32/114 5/143 39/174 12/203 46 234 20/264 53 204 27/325 1/35435 
27/26 756 40/8431/115 4/144 38/175 11 204 46 235 19/265 52 295 26/326 0/355 34 
28/27 6 57 40/85 30/116 3/145 37/176 11/205 45. 236 18/266 51 296 26 326 59/356 33 
29/28 5/58 16/86 291117 2/146 36 177 10/206 44 237 17/267 51 297 25 827 58/357 32 
30)29 5 8 eis 1}147 36 178 9/207 43 238 16/268 50 298 24/328 57/358 31 
3130 4 7 148 35) 208 42 239 15 /290 359 30 
When the mean daily temperatures at a given place have 
been tabulated for eree day nS the @ yea a its Fae ‘hae e bee 
the usual practice hitherto to omit giving the temperature for 4 
the 29th of Fe ebruary. It cannot be said “that the meteorologi- 
cal pheiiGiasila Whiek oGcar on 3 Tei 
| reco 
5 
