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Copyright 2005, Board of Trustees, University
of Florida
/0 C)
,HU E 3L rAY
RCs (I-i
E ,? rJ a ""3 i'
FEB G 19S9
Range Cattle Station
Mimeo Series RCS69-1 ..S.- i anuar. 1969
1968 CLIMATOLOGICAL REPORT
C. L. Dantzman
The Range Cattle Station weather data for 1968 is presented
in this report. Daily weather records for each month is listed
on pages 2 through 13. All weather observations were made at
9:30 A.M. and covered the previous 24-hour period. The ground
thermometer was unprotected and rested on the soil surface. The
ground minimums are the lowest temperatures'for the period following
the previous reading.
Rainfall for 1968 is compared with the 1942-1967 averages on
page 14. Frequency range of daily maximum and minimum temperatures
by months is shown on page 15. A summary of the temperature
averages and extremes, and for rainfall extremes are given on pages
16 and 17. The 1968 hours of percent relative humidity by months
is shown on page 18, and the 1968 hours of temperatures by months on
page 19.
Rainfall
1968 total rainfall at the Range Cattle Station was 52.13 inches.
This was 3.28 inches below the 26-year average of 55.41 inches. The
months showing greater excesses were May, 5.30; June, 5.30; and July,
2.37 inches; and those showing greater deficits were April, 2.61;
August, 3.86; and September, 3.36 inches. There were 122 days of
measureable rain (0.01 inches or greater) for the year.
Temperature
The highest temperature of the year was 96 which occurred in July;
the lowest, 24, was in December. Temperature 40 or lower were
recorded 38 times: 3 in January, 12 in February, 7 in March, 6 in
November, and 10 in December.
1/ Assistant Soils Chemist, Range Cattle Experiment Station, Ona Florida.
-2-
JANUARY 1968
._. Temperature (F)
Min.
49
51
56
56
60
52
54
54
53
58
62
52
49
40
44
41
35
49
49
51
43
42
42
56
45
30
41
46
56
50
54
49.0
Mean
67.0
66.0
69.5
69.0
70.5
62.0
67.5
67.0
63.5
68.0
70.0
63.0
56.0
54.5
53.0
51.0
47.0
60.0
60.5
63.5
58.5
58.5
59.5
66.5
57.0,
42.0
49.5
59.5
66.5
65.0
64.0
61.1
.urouna
min.
51
52
55
54
59
50
50
52
49
56
60
50
49
39
40
38
32
46
46
48
59
38
40
52
43
27
39
50
54
47
50
47.6
Rainfall
Inches
0.00
0.00
0.02
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.15
0.00
0.00
0.00
0.00
0.00
0.00
0.17 (Total)
Range 85 30
Date
Max.
85
81
83
82
81
72
81
80
74
78
78
74
63
69
62
61
59
71
72
76
74
75.
77
77
69
54
58
73
77
80
74
73.2
- ------- ---
FEBRUARY 1968 *
. ;Tremperatur~e GF- ( o 4
Min.
: 79
79
79
79
77
75
74
67
56
61
61
68
70
68
69
77
77
75
72
55
62
71
77
64
52
60
* 68
64
71
SMean
67.0
65.0
65.5
.62.0
64.0
62.5
55.5
55.5
42.0
S47.5
S48.0
51.5
54.5
51.0
51.5
62.0
61.5
60.5
S60.0
50.5
51.0
60.5
65.0
55.5
42.0
48.0
56.0
47.5
59.5
.,.,.. Rainfall
Ground
min. Inches
52
48
59
41
47
48
34
42
26
49
46
54
36
30
33
44
47
51
46
44
34
46
50
30
32
40
28
-44
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0000
O.CO
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.74
0.01
0.00
0.00
0.00
0.70
0.00
0.05
0.15
0.00
0.00
1.65 (Total)
Date
Max.
48
46
40
50
53
47
32
36
44
31
48
68.9
Range
42.7
55.9
42.2
26
__ ____ I
. .I F '. -; - -- ;,, ,. .,. z I '. 4
Temperature (OF)
- Ground
min.
55.0
42.5
51.5
57.0
53.0
58.5
56.5
60.5
62.5
68.5
71.5
76.5
71.0
49.5
64.0
65.0
63.0
62.0
64.0
65.5
66.5
71.0
68.0
50.0
51.0
59.5
63.5
67.5
66.5
65.5
69.0
61.8
1.60 (Total)
31 23
-4-
MARCH 1968
Date
Max.
Min.
Rainfall
Inches
71
54
67
72
69
71
66
72
75
78
82
88
85
62
74
74
76
79
80
81
85
86
82
62
66
74
78
82
81
81
82
Mean
45.6
0.26
0.00
0.00
0.00
0.00
0.00
0.65
0.00
0.00
0.00
0.00
0.00
0.69
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
75.3
48.3
- -- -- --
-----~~- ~~-
Range 88
-5-
APRIL 1968
Temperature (OF)
. ....... .,.. ... ---Ground- -
Mean
min.
52
53
55
53
58
66
61
60
57
53
56
41
53
50
48
.48
53
56
-56
'47
47
62
59
,59-
.61
56
.60
57
59
65
55.4
69.5
:68.0
720o
71.0
74.0
77.0
75.5
75.5
74.0
71.0o
73.0
62.0
68.0
67.0 -
68-.5
.66.0
-70;.0
73.0
.73, 5
".72, 5
S72.5
* 78.0
7-.5
77.0
71.0
75..0
75.5
78.5
79.0
72.8
Rainfall
Inches
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
.000
0.20
0.02
0.00
0.00
O.CO
0.00
0.05
0.00
0.00
0.00
0.00
0.00
0.000
0.000
0.00
0.00
0.00
0.00
0.00(T
0.00
0.27 (Total)
. . . 4S:-, -.,,* .
Date
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Av.
Rang'e'.
Max.
S85
86
86
S87
88
88
88
88
S86
88
S79
81
81
83
79
84
87
88
88
91
95
94
S. 90
82
87
92
.94
*.92
86.9
Mih.
51
58
56
61
66
63
63
60
56
58
45
55
53
54
53
56
59
59
57
57
64
61
64
60
63
59
63
66
58.8
S95
,:::'-. )`'':~ .i: .'. 'rl.....:ID'.:;.l ~.r .~.r:l
-6-
MAY 1968
_ Temperature (F)
Mean
65.0
69.5
70.5
75.5
76.0
72.0
74.5
75.0
72.0
74.5
74.0
75.0
73.5
76.5
76.0
76.0
76.5
79.0
80.0
74.0
75.0
72.5
77.5
80.5
78.5
76.0
76.5
79.5
78.0
71.0
73.0
74.9
Ground
min.
44
45
50
60
61
58
59
61
58
62
63
62
62
64
62
61
60
61
62
64
60
64
62
70
69
68
69
69
59
61.0
Rainfall
Inches
0.00
0.00
0.00
0.11
0.56
0.00
0.00
0.00
0.00
0.00
0.14
0.43
3.59
0.13
0.00
0.00
0.00
0.00
0.00
0.28
0.00
0.00
0.00
0.00
0.55
2.85
0.02
0.01
0.16
0.12
0.00
8.95 (Total)
47 44
Date
Max.
83
87
87
87
87
83
88
87
83
84
84
90
91
87
87
89
89
91
92
85
88
87
89
90
89
85
87
89
87
82
87
87.1
Min.
47
52
54
64
65
61
61
63
61
65
64
60
56
66
65
63
64
67
68
63
62
58
66
71
68
67
66
70
69
60
59
62.7
- --- I I
- --
Range 92
JUNE 1968
Temperature
Date ::. .Mix..
90
86
82
76
80
76
77
83
86
S 83
88
87
85
86
88
85
84
85
81
81
87
87
91
91
91
- 89
79
80
88
91
-84.8
Min..
67
69
67
70
71
69
65
67
S68
67
70
72
73
70
66
67
70
71
71
74
72
72
72
72
73
74
71
69
68
69
69.9
( F?)
.. Mean
78.5
77.5
74.5
73.0
75.5
72.5
71.0
75.0
77.0
75.0
79.0
79.5
79.0
78.0
77.0
76.0
77.0
78.0
76.0
77.5
79.5
79.5
81.5
81.5
82.0
81.5
75.0
74.5
78.0
80.0
77.3
Ground
min.
66
68
70
68
62
66
68
70
72
70
64
70
70
72
70
70
62
70
70
72
.70
69
S72
S68.7
Rainfall
Inches
0.00
0.00
0.62
5.10
0.33
0.12
0.00
0.00
0.40
0.44
0.00
0.00
0.00
0.05
0.39
0.02
0.02
0.04
0.74
0.27
0.06
0.29
0.07
0.00
0.00
0.10
0.43
1.40
0.41
0.00
11.30 (Total)
65 62
_
_ __ __ __ _____ __ __
Range. 91
-8-
JULY 1968
Temperature (OF)
Min.
69
62
71
69
67
69
69
68
64
70
71
70
74
72
69
70
71
69
70
71
71
69
71
72
72
74
74
74
73
72
71
70.3
Mean
78.5
74.5
76.5
78.0
77.0
78.0
78.5
77.0
75.0
75.0
79.5
80.0
83.5
82.5
81.0
80.0
80.5
80.0
80.0
80.5
80.5
78.5
81.0
81.5
82.0
83.5
83.0
84.0
84.5
83.5
82.0
80.0
Ground
min.
68
70
70
68
72
69
68
70
70
70
70
72
72
70
70
70
68
68
70
69
67
70
70
70
72
72
72
70
70
70
69.9
Rainfall
Inches
0.04
0.62
0.39
0.12
2.75
0.05
0.17
0.89
0.31
0.70
0.00
0.01
0.02
0.08
0.80
0.26
0.02
0.48
1.31
0.08
0.08
1.42
1.31
0.06
0.00
0.00
0.00
0.00
0.10
0.00
0.00
12.07 (Total)
62 67
Date
Max.
89.7
- ~----
Range 96
AUGUST 1968,
Temperature (OF) .
S.... .. .. Ground'"-
Mean min.
82.0
80.0
80.0
80.5
80.5
83.0
82.5
, 81.5
82.0
82.5
80.0
82.0
82.0
80.5
82.5
'82.5
'82.0
83.0
81.0
83.0
84.0
83.0
84.0
83.0
82.0
81.0
78.0
76.0
78.0
78.5
80.5
81.3
70
70
70
72
.70
70
70
.74
70
- 0
70
70
70
7.0
72
72
T72
72
65
65
68
68
68
70
70
70
69.9
Rainfall
Inches
.0.00
. 0.53
.0.00
. 0.05
0.44
:0.00
0.00
0.00
0.08
0.00
0.03
0.00
0.55
0.06
0.00
0.00
0.13
0.00
0.00
.0.00
0.00
0.00
0.00
'0.00
0.03
0.25
S0.33
.0.89
S0.73
.0.10
0.00
4.32 (Total)
Date
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Av '
Max.
92
89
88
89
89
92
S93
.92
*93
S'90
88
,92
92
:89
93
S92
92
94
92
93
.94
92
94
'90
..92
93
.."86
S84
85
87
S89
90.7
Min.
72
71
:72
72
.72
.74
72
71
71
75
,72
72
72
72
:72
73
..72
72
70
73
74
74
74
76
.72
69
.70
.68
71
70
72
72.0
Range
- -I-"-'
...~...,.-... ..,..i......~... -.;I-l.c.
-10-
SEPTEMBER 1968
.Temperature ('OF)-
Min.
70
68
67
72
73
71
69
72
67
68
69
70
70
67
65
64
69
71
71
73
69
68
69
67
67
70
70
70
69
68
67.8
Mean
79.5
78.0
77.5
82.0
82.5
82.0
80.5
82.5
79.0
79.0
77.0
76.0
74.5
73.5
76.0
76.5
79.5
80.5
81.5
82.5
79.5
77.0
79.0
77.0
78.0
79.5
77.5
79.5
79.5
79.0
78.9
Ground
min.
69
66
66
70
70
70
64
66
70
66
68
70
70
63
63
68
68
68
70
70
64
63
68
64
68
68
68
65
65
70
67.5
Rainfall
Inches
0.56
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.02
1.97
0.09
0.54
0.05
ouoo
1.00
0.00
0.00
0.01
0.00
0.00
0.00
0.02
0.00
0.00
0.03
0.00
0.00
0.11
0.00
0.00
4.40 (Total)
64 63
Date
Max.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Av.
89
88
88
92
92
93
92
93
91
90
85
82
79
80
87
89
90
90
92
92
90
86
89
87
89
89
85
89
90
90
88.6
---
- "--~~-~ ~--
Range 93
-11-
OCTOBER 1968
Temperature. ("F)
Date Max. Min.
70
63
66
65
64
62
61
68
69
169
67
66
63
69
69
70
74
74
62
57
64
.69
67
67
* 47
47
52
49
43
48
89
85
.89
S'89
89
90
90
S92
90
89
, 89
88
S87
86
86
S88
83
81
84
84
80
85
S85
83
80
S76
"66
78
78
.70
72
89.3
Mean
79.5
74.0
.77.5
77.0
76.5
76.0
75.5
79.5
79.0
79.0
79.0
77.5
76.5
74.5
77.5
78.5
76.5
77.5
79.0
73.0
68.5
74.5
77.0
75.0
73.5
61.5
.56.5
65.0
63.5
56.5
60.0
73.4
Goin.
mrin.
70
64
64
62
60
63
68
64
66
68
68
63
63
64
-68
,68
.68
72
66
59
.54
62
-66
64
64
43
43
50
46
40
48
60.9
Rainfall
Inches
0.00
0.00
S0.00
0.00
0.00
0.00
0.00
0.15
0.01
0.77
*0.02
.,0.00
0.00
0.00
0.03
0.00
0.84
0.66
0.74
0.33
0.00
0.00
0.41
0.01
0.17
.0.00
0.01
*0.00
0.00
0.00
0.00
4.15 (Total)
* I,~
62.8
Range
. II I
~. r ~r.'~.,,:- ~ -.'~..~' .~.'':.^...~C r. r- ...:.r-. ~. r -.rr r~ r,,.rr*,~ .,- -rr .,v*C rr
-12-
NOVEMBER 1968
Temperature (F)
Mean
67.5
69.0
68.0
68.5
75.0
67.5
65.5
69.0
68.0
68.5
64.0
62.5
48.0
48.0
62.5
67.5
68.5
67.0
72.5
49.5
46.0
50.0
59.0
59.0
58.0
57.0
65.0
68.0
69.0
72.0
63.3
79
81
81
83
83
80
80
82
78-
78
76
76
60
58
73
76
82
81
82
62
58
62
70
76
76
68
76
80
83
88
75.6
Date
Max.
Ground
min.
Rainfall
Inches
Min.
50.7
2.72 (Total)
0.00
0.00
0.00
0.00
0.10
0.00
0.00
0.02
0.00
1.96
0.00
0.27
0.02
0.01
.0.00
0.00
0.00
0.00
0.34
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
Av.
Range
50.7
I --
DECEMBER 1968
Temperature (OF)
Min.
Mean
63 71.0
59 71.5
57 71.0
56 69.0
.34 48.0 -
39 52.0
43 560 .
S 1 58.0
S 33- : 54.0
37 51.0
41 52.5
a 57 65.0
50 62,0
36 51.5
24 37.0
29 43.0
'44 56.5
58 66.5
64 72.5
59 69.5
59 70.0
59 70.5
35 54.0
"32 45.0
35 49.5
51 62.0
60 69.0-
52 64.0
47 58.5
S 58 68.0
61
57
55
57
31
32
52
50
33:
40.:
34
39,
55
49
S36
19
28
41
56
60
60
66
60
32
S30
48
43
56
71.6 46.9,. 59.2 45.7
S85 19
85 24 19
0.03
0.00
0.00
0.01
'0.00
00.00
0.00
0.00
0.00
.0.00
:0.00
.0.00
0.00
0.00
'0.00
0.00
,0.00
0.00
0.00
0.00
.0.00
0.00
0.00
0.02
: 0.00
0.00
0.00
,0.46
i0.01
0.00
O.oo
0.53 (Total)
* C C' -
ft- f t 0 ftC t f
Date
Max.
Ground
min.
1'
Rainfall
Inches
79
84
85
82'
62:
65
69:
75'
63
67;
65
64
73
74
67'
50
57'
69
75
81
80
81
82
73
58
64
73'
78.
76
70
78
Av.
Range
--
ft
ft
Inches
Rainfall at Range Cattle
1968 compared with
average
Station
for 1942-67.
By Months
Cumulative
by Months
26-yr.
Av.
-yr.
1968
Excess
Deficit
1968
Excess
Deficit
Jan.
Feb.
Mar.
Apr.
May
June
July
Aug.
Sept.
Oct.
Nov.
Dec.
2.11
2.94
2.88
3.65
8.84
9.70
8.18
7.76
3.40
1.67
1.73
0.17
1.65
1.60
0.27
8.95
11.30
12.07
4.32
4.40
4.15
2.72
0.53
1.94
0.90
1.34
2.61
2.46
2.37
3.36
. 2.11
4.66
7.60
10.48
14.13
22.97
48.61
1.05
0.17
1.82
3.42
3.69
12.64
1.94
2.84
4.18
1.49
0.97
3.34
44.73
48.88
51.60
0.52
3.88
3.13
2.08
1.20
Total
11.93
15.21
3.28
o -15- 4. .-15--
0 0 t *- C
Frequency of Maximum Temperatures
Jan. Feb. Mar. Apr. May June July Aug. Sept.
Oct. Nov. Dec.
91-100 6' i 63 4 i 13 18 1 8 1
81--90 6 11 22 281 20 17' 13 20 22 10 6
6 1 2, 6 13 11
71- 80 17 14 13 2 6 1 2 6 13 11
61- 70 5 11 6 2 4 11
51- 60 3 4 1 i. 3 2
41- 50 3
Total 31 29: 31 3 .3 30 31 31 30 31 30 31
Frequency of Mininum Temperatures
("F) Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec.
71-80 1 13 16 26 7 2
61-70 1 2 11 22 .17 15 5 23 22 1 2
51-60 14 5 9 18. 7 2 19 12
41-50 13 12 13 1 1 5 4 7
40 1 1 -
39 1 .1 1
38 1
37 1 2 *
36 1 2 1 1
35 1 2 2
34 3 1
33 ; 1
32 1
31 1 1
30 1
26
25
24
Total 31 29 31 30 31 30 31 31 30 31 30 31
(OF)
Summary of Temperature Records
by Months
1944-1967
1968
1944-1967 Extremes
196
Month
Max.
Min.
Mean
Max.
Minm.
Mean
High
Year
Year
Hig]
Jan.
Feb.
Mar.
Apr.
June
July
Aug.
Sept.
Oct.
Nov.
Dec.
80.1
88.4
90.9
90.7
91.1
89.3
79.0
74.7
51.2
54.4
63.5
61.1
63.2
67.3
71.6
76.0
79.9
81.0
49.0
42.7
48.3
86.9
87.1
84.8
69.9
90.7
71.2
64.6
61.1
61.8
74.9
77.4
80.0
81.4
67.8
74.8
50.2
89.3
75.6
71.6
50.7
46.9
76.1
63.2
59.3
1947
1962
1946
1945
1945
1945
19561/
1967
1944/
1959
19592/
1959
1947
1962
1950.
1945'
1967
1956
1951
1950
1944
Year
1945
1962
occurred in 1961.
Also
occurred in 1948,
1951,
1954,
and 1962.
Also
occurred in 1961.
-- _I II _I _l_
Summary of Extremes of Rainfall
by Months
Greatest
Daily Rainfall
Greatest
Monthly Rainfall
Lowest Monthly
Rainfall
Days of Rain* in Month
194
Month
Amount
Year
Amount
Year
Amount
Year
Greatest
No. Days
Least
Year
No. Day.
Jan.
Feb.
Mar.
Apr.
May
June
July
Aug.
Sept.
Oct.
Nov.
2.15
2.94
3.18
4.70
3.59
11.23
4.42
4.90
5.10
3.26
4.25
2.95
1958
1960
1958
1951
1968
1945
1948
1943
1962
1951
1964
1957
8.45
6.79
8.60
11.91
10.58
18.99
19.74
14.26
16.38
11.23
5.44
6.05
1958
1963
1959
1951
1943
1953
1960
1949
1960
1953
1957
0.03
0.13
0.13
0.00
0.00
2.79
4.65
3.13
1.33
0.19
0.11
0.16
1950
1949
1945
1967
1953
1956
1942
1954
1958
1942
1944
1949
1962
19601/
1959
1954
1963
1968
1960
1967
1960
1959
1947-
1959
0.01 inches or
greater.
Also occurred in 1963,
1964.
occurred in 1965.
occurred in 1945,
1949,
1950.
Also
occurred in 1958.
__ I___ __~__~ I _~~_I__~__ _I ___~ I __ I
1968 Relative
Humidity Hours,
by Months
Percent
Relative
Humidity
Jan.
Feb.
Mar.
Apr.
June
July
Aug.
Sept.
Oct.
Nov.
Dec.
90-100
S102
50- 60
92
0- 10
Total
*696
Tot
361
97
75
72
89
105
57
17
7441
878
____ _I__ __ ~__ ____~
-~~~~~ ,-- -- -- -
I
1968 Temperature
Hours,
by Months
(OF) Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec
I I II I I II I
90-95
85-90
80-85
75-80
70-75
65-70
60-65
55-60
50-55
45-50
40-45
35-40
30-35
25-30
20-25
Total
RCS69-1
75 copies
I
r
V
I
A
C
4
C
4
Cf
j
6'
A
_1 ___ _~ I __ __
|