Reductions of the monthly meteorological register of the survey of

Mean.

6

29.032
29. 219
29.247 29.296
29.209 29.238
29.253 29.267
29.375 29.322

28.980

66

59

29. 114

29.329

29.323

28.972
29.142 55
29.265 52 62 55 55 69 61
29.212 53 55 149 54 56.5.45
29.283 42 61 52 42.5 62. 5,52
29.340 45 60

50.568 64

66

60, 553, 556. 5,62

57

55

46 62 56

29.235 48 56

55

612.433. 162. 402 .413.597.363.428 .349. 462. 354.388

401

55.7 66.543. 5. 260.517.388.388

42. 5. 286. 491. 420. 399 49 58 56 54.3 61 47 . 322. 422. 420. 388 29.438 52.5 57 48 54 61 49 54.7 64 45 .375.412.322, 373 29.599 44 62 58 45 64 58 55.7 69 40. 5. 275. 529. 482. 429 29.373 45 62 50,5 45, 567 52 54.8 70 43. 5. 293. 489. 347. 376 29.007 47 59. 557.5 48.5 65, 560 58.0 68.5 42. 5. 303. 429, 440, 391 50 49 52 55 54 53.7 68 42. 5. 334. 295. 282.304 29.235 44 48 41 51 57. 542. 5 50.3 59 41 196. 216. 238.217 29.407 33 46 43 43 49 44 45.3 51.539. 5. 058. 271. 264, 198 29. 366 39.560 50 41 66 51 52.7 67 40. 5. 223. 438.348. 336 29.292 52 49 50 53.5 57 51.8 55. 547 .368. 242 305 29.442 35.551.543. 536. 553 44.8 54 33 195.361.263, 273 29.370 38 48.5 39.5 39 53 40 29.267 44 64 60 45 85. 5'61 29.570 54 57 36.5 58. 562 37.5 52.7 71.538. 5. 358. 399. 203, 320 29.531 42.553.550 50 64 55.5 56.5 54. 533. 5. 169. 271. 288). 243 29.201 35 71. 553. 561.5 88.5 59.5 29.499 48.5 48 42 57 55. 5 44.5 29. 451 41.550 38. 544. 553. 5 40 29.621 41 49 42 44.5 51. 545 29.544 43 55. 553.546 63.5 59.5 29.335 54.5 66 58.5 58. 571.5 63.5

44.0 55. 537. 5. 216.282. 236. 245 63.8 86 59 275. 309, 505, 363

69.8 88.548 542. 330. 291 52.3 60 43 .229. 243. 234. 235 46.0 56 39 223. 315, 214. 284 47.0 79 29 .211. 315. 228. 251 56.3 66 38 1. 238. 341. 330.303 64.5 79.5 38. 5. 372.566. 424, 454 29. 342 60. 565. 5 62 68.5,87 71.5 75.7 87 38.5.420.340. 429. 396 29.208 53.5 59 29.340 40.5 48

48.5.390.433. 303. 375 .233. 369. 280. 274

42. 5. 389. 413

53.3 65

47.555 64
45 42 50

49.5 56.2 65
46.5 46.2 56.538

the northern and northwestern lakes at Ontonagon, Michigan.

Mean.

Reductions of the monthly meteorological register of the survey of

Mean.

point of evaporation.

Wet bulb, or

Dry bulb, or tem

perature of the

open air.

Maximum.

Minimum.

7 8. m.

2 p. m.

9 p. m.

Mean.

Elasticity, in U. S. inches and decimals.

1866.

Nov.

29.861

1 28.972 29.054 29.293 29.106 28. 532
2 29.437 29.526 29.598 29.520 30 31 31
3 29.680 29.703 29.791 29.725 28
4 29.943 30.001 30.054
5 30.053 29.970

32 29

34

31

31.5 32

31.5 35.5 28 155. 168. 162. 162

34.5 25

29.999 24

134

30

23. 5. 142. 193. 135. 157

123. 189. 155, 156

29.961 19
29.561 34 46
29.273 42 57
29.194 42 51

39

26.5 19.541 24

9

29.302

191. 162 .. 177 162. 174. 130. 155 214.214 223.254.207. 228 188. 179. 152. 173 152. 199. 205. 185

. 143. 207. 175. 175 28. 5. 188. 259. 189. 212 25. 138. 251, 203, 197 27 160. 167. 136, 154

28.8 41.5 22.5. 129. 168, 160, 152 29.7 37 23 28.7 31.5 20 138. 161. 139, 146 32.0 23 22. 135. 223. 015. 124 32.7 42 18 .135. 215. 133. 161 34 34.5 44 25.5.148. 246. 185. 193 37.5 38.8 43 35 . 199. 244. 203. 215 28.5 30.5 43 25. 5. 155. 142. 130. 142 22. 5.135. 117. 120. 124 21 135. 106. 090. 110

141.204. 144. 163

35.5 30.0 37 085. 129. 197. 137 37.5 50 135. 212. 186. 178 36.7 41 31.5.216. 207. 168. 197 37.3 37 29. 5. 175. 172. 178. 175 39 25 29.3 41 22 .112. 173 143 20.538 38 32.2 42 18. 5. 102. 186. 186. 1581 51.537 39.8 53 26 .137.938. 199. 191 29.918 23 23 21 25 25 21.5 28.3 39 19.100. 100, 107, 102 28.979 9 10 12.510 11 15 12.0 23 6. 5. 054. 057.048. 053 29. 124 18 12.511 18.513 11 14.2 20 6 29.276 29.214 9.5 1.312 10 14 12.5 12.2 16 5 29.441 29.524 29.449 9.512 12 10 13 13 12.0 15.5 7 29.563 29.638 29.737 29.646 9 14 13.5 10 15 15 13.3 16.5 9 29.843 29.908 29.878 29.876 11.5 16 13 12 18 14 14.7 23 15 29.782 29.691 29.585 29.686 5 18 12.5 5 20 13 29.347 29.337 29.365 10 22 21 11 23.5 22 29.250 29.274 29.264 24 17 29.206 29.319 29.255 23 25 27 24 29.779 29.824 29.695 22 15 8 23 20 29.866 29. 635 29.497 29.666 -7 18.5 19.5-8 21 29.447 29.279 29.088 29.271 23 24.5 30 22 28.824 28.637 28.692 28.717 32.5 38 37 34 40 38 23 28.729 28.754 28.890 28.791 31 29.520 32.5 31 22 24 28.945 29.017 29.099 29.020 12 12 12 13.5 13. 5 13.5 29.143 29.157 11 17 14 12 19 15 29.332 29.220 15 11.5 10 16 12 29.658 29.548 10 9 10 10 10 29.713 8 9 7 9 10 29.569 5.5 4 -2 29.366-9 1 5 29.399 10 12.585

35 18.536

26.548

38

13 23

31

.093. 070 071 078) 060. 067. 069, 065 060. 063.063, 062

054. 071, 063, 063

9

067. 067. 067, 067

12.7 25

1

055. 076. 070. 067

25

18 24

24

18.8 25
22.3 28
26.5 28.5 26.3 30
15.5 9 15.8 30
21 20.5 11.2 22
25.5 31 26.8 31
37.3 40
28.5 39
13.5 29
15.3 21.5
10.5 12.8 19
10 10.0 12
7.5 08.810

0 057. 101. 101, 086 19. 5. 117. 083. 095. 098 21

.112. 118. 130, 120

4

8 . 107. 080. 051, 079 -11.5 072.093, 083 18 .112. 119. 155. 129' 29 . 165. 203. 207, 192 18. 5. 157. 146, 085, 129 9.058.058.058. 058 6.5.061. 071. 071, 068 7.074. 067, 062, 068 5. 5.068. 054, 068, 063 051. 054, 054, 053

the northern and northwestern lakes at Ontonagon, Michigan.

7 a. m.

Reductions of the monthly meteorological register of the survey of

Date.

Barometer reduced to temperature
of 32° Fahr., expressed in United
States inches and decimals.

Wet bulb, or Dry bulb, or tem

point of

evaporation.

perature of the

open air.

Maximum.

о

60.5 68.3 81 59

о

29.281 61 62.5 56.5 68.576
436. 519. 402. 452
29.179 60 69 64 64. 583.5 72.5 73.5 84. 556. 5. 458 648. 499, 535
28.905 62.5 67 61. 567.5 69.5 62.5 66.5 80.562. 5. 499. 628. 525), 551
28.940 61.5 64 60.5 68 72.5 65 68.5 79 54. 5. 459, 483. 467). 470
28.968 64. 5.76 67 70.591 72 77.8 91 63
29.006 64 78.5 70. 568. 596 73.5 79.3 97.556
29. 128 64.5 67 55.5 70 78 62 70.0 85.5 59
29.414 54.5 54.5 49.560 62. 553.5 58.7 68. 552
66.5 64.5 64.7 67.5 43
188 74 75.7 90 57
97 82 84.7 99.5 64
82.5 84.5 78.5 81.8 98.5 75
70.3 81.568

29.298

29. 268

29.261

28.962

7

29.105 28.872 28.920 28.950 28.950 5 28.975 28.939 28.990 29.050 28.966 29.002 29.102 29.102

28.882

29.180

519. 705. 595, 606 .536 737. 698. 657 533. 514.355). 467) 352. 327. 294. 324) 386). 400.366, 384 . 420, 529), 514), 488 554 613. 464. 544 683 711.737). 710 649 696. 598. 648

79.3 97.566, 5, 660, 705), 603), 656

711 754 639). 701 673. 519.709. 634 .465. 425. 458). 449) 433 479.381. 431 .404. 542. 427, 458 81.5 69 74.5 85.5 63. 5. 510. 616, 529, 552 70. 567.5 70.0 83 62. 5. 524. 651. 566). 580l 61.555. 5 61.3 72 70.5.57

29. 342 62.5 66, 560, 564. 574
65. 567.578
64. 576. 587.5 68
61.571 78 65. 5
59.571.5 78

29. 281 66. 5,68
29.229 65 66
29. 177 60.5 68.561
29.080 62 73. 565

29.210 29.215

62

3838

63.5 76.566
64.579

53

543 444. 349. 445

392, 492, 407). 430

61.5 71 52
68.8 80 55 497 594). 516, 536
67.2 77 58. 5. 539. 550. 494. 528
71.8 84 56.5.532 568.550
77.3 92.5 63. 5. 684. 741. 559, 661
71.5 83 61 590. 550. 492. 544
70.5 75 59. 5. 530 478. 476, 495

68.7 78 55. 5. 487. 569. 47. 519 67 70.2 78.5 62 .522. 751. 591. 621

69. 278.866.9 71.6

522. 579. 508, 536

28.935 28.960 29.148 29. 014 60.5 63 53 65.5 69 55 63.2 71.558 459. 495. 376. 443 29.216 29.285 29.249 29.250 56.5 61.558 61.571 63 65.2 73 52. 5. 391. 418]. 416). 408 29.251 29.281 29.336 29.289 60 56.5 53 62 58.5 60 60.2 63.5 53. 5. 491. 430. 310. 410 29.459 29.501 29.469 29.476 56.5 59 54.5 58.5 69 61 62.8 70 50 430. 367. 339. 379 29.518 29.526 29.481 29.509 57.5 64 55. 5 66, 573. 560 66.7 73.5 52. 5. 354, 469), 381. 401 29.483 29.456 29.414 29.451 58.5 65 54.5 65.5 73 57 65.2 76 53.5.398.611, 392, 467 29.398 29.368 29.346 29.371 59 64. 557.566 73.561 66.8 75 52 407. 486). 427. 440 29.249 29.218 29.222 29.230 58 60 56.5 58. 561.5 69 63.0 62 56. 5. 476. 498). 421). 466 29. 196 29.276 29.329 29.267 58 61 55 60.565 56.5 60.7 72 54 449. 483.413.448 29.324 29. 332 57. 565 60.561 72 65 66.0 75 52. 5. 427. 524. 467. 473 29.266 29.279 62 68 65.5 65.5 76 70.5 70.7 84.5 59. 5. 509, 577, 561, 549 29. 173 29. 160 62 61 56.563 63 57.5 61.2 64. 555, 5. 542, 510, 442). 498 29. 212 58.5 66 62. 559, 569, 564 64 72 54. 5. 47. 592. 546. 559 29.476 29.306 63 64 56 67. 572. 559.5 66.5 73 57. 5. 516. 483, 403, 467 29.624 29.632 51 58 46. 556 565. 550 57.3 67 48. 5. 302, 383, 271, 319 29.443 29.497 53 69.560.558 66.5 68.8 83.5 43 336. 553. 447, 445 29.368 29.368 60.5 67.557 65 72.560 65.5 78 58. 5. 467. 601. 426). 498 29.321 29.333 54 61.553 57 68.5 57 60.8 70 51. 5. 378. 452), 350, 323| 29.246 29.286 55 62.557 60 71.555.5 65.7 72 50. 5. 367. 445. 353. 388 29. 172 29. 164 54.5 58 52.559 59. 554.5 57.7 62 52, 5, 365. 463, 369, 399| 29.222 51 147 43 52.5 49.5 45 49.0 52.5 43 29. 251 45 48.5 46.5 47 52.5 49 29.258 46.5 48.5 46 49.5 52. 547 24 29.257 29.193 29.292 29. 247 46 51 48 47.554 50 25 29.252 29.005 29.195 29. 151 49.5 59 53 26 29.015 29.217 29.065 29.099 57 62 53 27 29.148 29.217 29.201 29. 189 49.5 57 47 29.234 29.242 29. 198 29. 212 29. 194 28.985

29.237

Means.... 29. 270 29.278 29.281 29.276

393. 452. 379). 408