Weather, June 1805
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Aug 30, 1803 Sep 30, 1806

Weather, June 1805


Day of
the Month
State of
the ther-
mometer at
☉ rise


Wind at
☉ rise
State of
the ther-
mometer at
4 OC. P.M.


Wind at
4 OC.
P. M.
of the


or parts
1st 50 a c S. W. 62 a c       1 ½
2nd 56 a c a r S. W. 68 a f S W      
3rd 46 a f S W 60 a f S W      
4th 48 a f a c N E 61 a f S W f      ¾
5th 40 a r S. W 42 a c a r N.E. f      ¾
6th 35 a c a r N. E. 42 a r a r N E. f   1 ½
7th 40 a c a r S. W. 43 a r a r S W f   1 ½
8th 41 r a r S. W. 48 a f a r S W f   1 ¼
9th 50 f S W. 62 [2] f S W f   1
10th 52 a f S. W 68 a f a r S.W. r   2
11th 54 a f S. W 66 a f S W.      
12th [3] 54 a f S W 64 f a r S. W.      
13th 52 a f S. W. 72 f S. W. r      ¾
14th 60 a f S W 74 f S. W f      ¾
15th 60 a f S. W. 76 f S W f      ½
16th 64 c a r S W 58 f S W r      ½
17th 50 a c S W 57 c S. W f      ½
18th 48 a c S. W. 64 a f a c S. W. f      ½
19th 52 a f S W 70 a f S. W f      ½
20th 49 a c S W 74 a f a r S. W f      ¼
21st 49 a f S. W 70 a c S. W. f      ¼
22cd 45 a c S W 54 a f S W f      ½
23d 48 a f S. E. 65 a c S. E f      ¼
24th 49 a c a r S. E. 74 a f a c S W f    
25th 47 a c a r S. W. 72 a f S. W.      
26th 49 a f S. W. 78 a f S W r      ½
27th 49 a f S. W. 77 f a r &
H. T L [4]
S W r   1 ¼
28th 46 a f S. W. 75 c a f S W r   2
29th 47 a r. T & L S. W. 77 f S. W. r   4 ½
30th 49 a f S. W. 76 f S. W. r   2 ¼
[Remarks] [5]
2cd rained a few drops only
3rd Cought the 1st White Chub, and a fish resembling the Hickory
Shad in the Clear Stream [6]
5th rained considerably    some Snow fell on the mounts.    great num-
bers of the sparrows larks, Curloos and other small birds common
to praries are now laying their eggs and seting, their nests are in
great abundance.    the large batt, or night hawk appears. [7]    the
Turkey buzzard appears.— [8]    first saw the mountain cock near
the entrance of Maria's river.—
6th rained hard the greater part of the day—
7th rained moderately all day
8th cleared off at 10 A M.
11th Capt. Lewis & 4 men Set out up the S. fork [9]
13th Some dew this morng.
14th Capt. Lewis Discover the falls & Send back Joe Fields to inform me
15th The deer now begin to bring forth their young    the young Mag-
pies begin to fly. The Brown or grizzly bear begin to coppolate.
16th Some rain last night
17th the thermometer placed in the shade of a tree at the foot of the
rappids. Capt Clark sets out to survey the river & portage
19th wind violent all day
20th wind still violent rain slight    Capt. Clark returns. [10]
22cd wind not so violent. Thermometer removed to the head of the
rappid and placed in the shade of a tree. [11]
24th slight rain last night & a heavy shower this evening.
27th at 1 P M a black cloud which arose in the S W. came on accom-
panyed with a high wind and violent Thunder and Lightning;
a great quantity of hail also fell during this storm which lasted
about 2½ hours    the hail which was generally about the size of a
pigion's egg and not unlike them in form covered the ground to
the debth of 1½ inches.—    for about 20 minutes during this
storm hail fell of an innomus size driven with violence almost in-
credible, when they struck the ground they would bound to the
hight of ten to 12 feet and pass 20 or thirty before they touched
again. [12]    after the rain I measured and weighed many of these
hail stones and found several weighing 3 ozs. and measuring
7 Inches in cirumference; they were generally round and per-
fectly sollid. I am convinced if one of those had struck a man on
the neaked head it would have knocked him down, if not frac-
tured his skull.—    Young blackbirds which are abundant in these
Islands are now beginning to fly
28th Cat fish no higher [13]
29th heavy gust of rain the morning and evening
1. Lewis's tabled observations appear in Codex Fe and Clark's in Codex I. A few discrepancies and other points are noted below. The headings follow Lewis. (back)
2. Clark has "52 a." (back)
3. The dates for June 12–15 appear to be in Clark's hand in Codex Fe. (back)
4. Clark has only "f a r H." (back)
5. The captains have remarks both in the margin of their tabled observations and separately. These are combined for the fullest coverage without duplication or noting minor discrepancies of wording. Significant differences are noted below. Lewis's separate remarks are in Codex D (see Appendix C) and Clark's in Codex I. (back)
6. This remark is found only in Clark's Codex I. (back)
7. The sparrows could be any of a number of small brown birds. The larks are similarly unidentifiable, as are the "Curloos" which could be any shorebird with a long bill. Holmgren, 29, 33. The "large batt, or night hawk" is again the common nighthawk. (back)
8. The turkey vulture, Cathartes aura [AOU, 325], already known to science. Holmgren, 28; Burroughs, 203–4. (back)
9. This remark in Codex Fe is in Clark's hand, as are those for June 14. (back)
10. In Codex I Clark has the marginal remark "returned from above the portage make it 18 miles." (back)
11. Lewis dates this latter remark June 22 in Codex D and a slightly different version June 23 in Codex Fe. (back)
12. At this point in his remarks in Codex I Clark adds "during this emence Storm I was with the gereater part of the men on the portage    the men Saved themselves, Some by getting under a Canoe others by putting Sundery articles on their heads    two was kocked down & Seven with their legs & thighs much brused." In his marginal remarks he has only "Falls of Missouri." (back)
13. This is Clark's marginal note in Codex I; the extent of the channel catfish at that time corresponds to distribution maps by present authorities. Lee et al., 446. (back)