HISTORIC NOTE
The publications in this collection do
not reflect current scientific knowledge
or recommendations. These texts
represent the historic publishing
record of the Institute for Food and
Agricultural Sciences and should be
used only to trace the historic work of
the Institute and its staff. Current IFAS
research may be found on the
Electronic Data Information Source
(EDIS)
site maintained by the Florida
Cooperative Extension Service.
Copyright 2005, Board of Trustees, University
of Florida
-^ \
S sV.
Agricultural Research
Research Report
RC-
Center
1983-1
Ona
January
1983
1982
CLIMATOLOGICAL REPORT
Dantzman
This report
the extremes in
gives
a summary of the
daily temperatures
from
weather
1944 and
data for
1982.
the extremes in
It also
lists
daily rainfall
from
The
1942 to the end
station is located
1982 for the
W longitude
Agricultural Research
27026'
Center at Ona
N latitude in
Florida.
southwest
central
Florida
, approximately
45 miles
east of
of the
Gulf of Mexico and
mile
west of
the Atlantic
Ocean
weather instruments
- thermometer
and hygrothermograph
were housed
in a weather
thermometer
located
was
housed at
four feet
(122
above
ground level
. Another
ground level to record minimum temperatures at that
elevation.
Weather observations
were
made
daily
at 9
:00 AM
unless
otherwise
noted
cover the
period
following the
previous reading.
Maximum and
extremes for the period
minimum temperatures and rainfall
1942 to and including
1982 are
for each
listed
day for
on pages
4 through
comparison
rainfall
with
Temperature frequencies for maximum
and a
summary
presented on
Rainfall
pa
of average
Lge 18. Evi
maximum
aporation,
and mini
and
solar
ninim
and
1982
page
page
s is
19.
The
total rainfall
for the
year
was
56.23 inches
(142
.82 cm)
This
was
Excess
70 inches
rainfall
.85 cm)
was recorded
above
for March
-82 average of
.38 inches or
56.23 inches
59 cm)
April
.82 cm)
.63 inches
60 cm),
May
06 inches or
.69 cm)
June
86 inches or
.42 cm)
or 1
Research
Report
-1983-
January
1983
or 6
12 cm)
October
75 inches or
November
(1.44 inches or
66 cm)
and December
.85 inches
or 2
16 cm)
There
were
119 days of
measurable
rain
.01 inches or
.03 cm or
greater)
during the
year
The
longest period
without
rain
was
25 days
which
ended May
, 1982
Temperature
1982
highest
temperature recorded
during
was
94 degree
F (34
occurred June
1982
, August
September
, 1982
lowest temperature
was
19 degrees
was
measured
January
1982.
Temperatures
below
February
40 degrees
4 in
40 C)
December
were recorded
The last
frost
times:
1981
6 in
-82 winter
January,
season
(350
or 1
.670
occurred Febtiuary
the first
frost of the
winter
season
occurred December
1982
(340
1942-
1982 Weather
Summary
highest
temperature
for the
period
1944
through
1979 was
103 degrees
was
measured May
, 1945 and June
, 1945
lowest
temperature
during this period
was
18 degrees
was
measured
January
1981
When
minimum
temperature
drop
below
growth
decreases for most
F (15
.60 C)
-tropical
grasses
beginning of the cool
The earliest
season
was
measurement
September
under
1956.
Temperatures
below
occurred in
October in
34 of
39 years
cool
latest
season
measurement of
was
June
a temperature
1950
This
under
F (15
temperature occurred in
at the end of
June in
11 of
39 years.
Ground
frost is
generally present
when
the official
temperature
season
occurred
or lower.
as early
Over the
as November
1944-
period
(November
first
, 1966)
frost of
to as
the cool
as February
(February
hnq nnoirvid
- 1972'
The
frnst
th+ annl
or 1
fiP flsarnn
1 fI
y *
1n ^f *-
Wk ^
Research
Report RC
-1983-1
January
1983
The
average
first
day of
frost of
the cool
season is
December
3 and
the average
frost is
February
Frost
has occurred in November in
39 years
26 of
years
December in
March
33 of
in 15 of
39 years
39 years
January
35 of
and April in
39 years
3 of
February
39 years.
January
1982
Temperature
Date Max
(OF)!!
Ground
Min
Rain2
Inches
1942-82 Extremes
Temperature (oF)
Highest
Maximums
Year Lowest
Year
Minimums
Highest Year Lowest Year
IncT
Rair
Max
55,5
968
982
73,74
67,82
947
973
947
147,82
.974
.974
.974
.974
L975
L972
L947
L947
L947
[947
1949
1947
1959
962,7
1957
1962
1962
962,7
1965
1957
q.7a.
59
55
59
48
54
60
56
51
47
46
49
47
47
48
49
47
51
46
49
42
50
4 57
56
55
59
1 54
58
56
75 55
56
43
982
967
967
982
971
962
960
982
982
971
.975
.964
163,80
.972
.947
L966
L957
L955
L974
1969
1959
1973
1965,(
1957
1975
1967
1973
1973
1947
1947
1947
1949,56
1956,71,80
1979
1962,79
1979
1967
1949,56
1970
1956
1970
1969
1982
1981
1981
1956
1977,78
1959
1977,81
1981
1977
1971
1977
1961,81
1960
1955
1968
1951
1971
1967
1957,78
1956
Range
Total
1/ OF
- 32
= O
Inches
-= cm.
I
r
F
3
1
3
E
4
4
r
(
I
4
A
j
r
I
1
2
I
I
l
(
i
1
j
i
j
i
I1
0
0
i
i
i
*
2.1
_.__ I
~
February
1982
Temperature
1/
(oF)-
1942-82 Extremes
Temperature (oF)
Ground
Date
Max
Inh2/
Rain-
Inches
Maximums
Highest Year Lowest Year
Minimum s
Highest Year Lowest Year
Max
57,74
50,56
1
1
1
1
1944
Av.
Range
Total
1/ OF
- 32
57
73
157
'59
'82
82
82
75
82
82
81
54
60
65
69,82
9,82
1,82
81
56
75
45
1,79
79
5,79
79
59
59
59
76
4.11
= oC
Inches
= cm.
Rain
Inc
March
1982
Temperature
1942-82 Extremes
Temperature (F)
(oF) 1/
\rJ -
Date
2/
Ground Rain-
Min Inches
Max
-Highest
Maximums
Year Lowest
Minimums
Year_.. Highest Year Lowest 'Year
45,48
1
1
2.25
0.45
0.03
1 64
5 54
1 5(
,62 5:
1 5)
1 6;
1 51
0 61
4 6(
4 6;
8 51
8 61
8 5'
6 6:
5 5'
5 6!
,50 6
5 6(
5 6
5 6
,77 6
0 6
2 6
6 6
9 6
9 6
4 6
0 6
9 4
7 6
;5 6
1
1
1952
956
968
980
980
971
960
954
962
971
950
961
949
959
948
L958
147, 54
L962
956
L962
L958
.971
960
.962
150,63
.968
.956
.971
.962
[955
.962
.971
Av.
Range
Total
1/ OF
- 32
=- O
1.8
Inches
x 2.
54 = cm.
_l ______ I
April
1942-82 Extremes
'-----
1982
1/F
(oF)-
Ground
Min
-Date
2/
Rain-
Inches
Temperature
Maximums
Highest Year Lowest Year -
(OF)
Minimums
Highest Year Lowest Y,
- -
- -
- -
- -
- -
- -
- -
0,60
0.50
- -
- -
- -
--
1974
1974
49,56,74,75
1945,74
1950
1945,47
1947,48
46,65,68
1948
1946,75
46,62,75
1965
1945
1945
1945
1945
1945
1945
1944
1944
1944
1944,82
1968
1945,68
1945
1945
1945
1945
1968
1949
2
9
7,82
,78
8
3,80
,73
Av.
Range
Total
I/ OF
0.90
3.00
- 32
1.8
= oC
Inches
x 2.54
Temperature
= cm
May
1982
1942-82
Extremes
Temperature
Date
(OF)I/
Ground
.Min
Max
Rain-
Inches
Temperature
,Highest
Maximums
,Year Lowest
Year..
(oF)
Minimums
Highest Year L- owest Y
1975
1975
1950
1950
1950
1955
1955
950,75
1975
1975
1955
1955
1967
1967
1967
1945
1963
.978,81
1944
.963,80
1950
1949
1949
1949
L956,60
1949
[949,63
1962
i,65,66
1945
1945
969-i
963-f
1982
1963
1964
1944
1944
958,4
1960
960,1
,75,,
1977
1977
1960
1976
1951
1973
1973
1979
1979
1972
1976
1958
1976
1970
1981
1979
.972,
1972
1960
1970
1971
1967
1964
1978
1954,f
1956
1946
1967
1973
1,57,7:
1966
1959
1971
1954
1972,'
1981
1981
1946,1
1969
1952
1952,1
1957
1958,
1958
1947
1958
55,57,
1959
1982
1982
1959
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
48,49,72
197
196
19
19
19
19
19
47,4
19
19
Av 84
Range 90
Total
1/ F 32
1.8
2/ Inches
1.48
5.21
- O
- cm.
aim
_ -
1982
Temperature
June
( OF)1/
1972-82 Extremes
Temperatures (F)
Ground
Date
RainZI
Inches
Miximum
Highest
Year
Minimum
Lowest
Year
Highest
Year
Lowest
Year
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.
Range
Total
1/ F
70
72
73
74
74
74
74
69
68
70
70
71
69
70
69
73
69
71
74
74
74
74
74
73
71
69
70
74
73
72
72
68
19
19
19
19
19
19
19
19
19
19
19
45,52
19
19
19
19
19
19
48,50,
19
19
44,48,
44,48,
44,48,
19
19
19
19
19
19
1949
1966
1968
1968
1968
1968
1968
1968
1966
1947
1976
1965
1948
1963
1947
1962
1959
1982
1967
1968
1955
1978
1945
1945
1974
1974
1968
1974
1974
1966
195
54,77
194
198
198
198
198
57,66,
195
195
195
195
195
194
194
194
194
196
198
197
195
197
72,54
194
194
194
195
196
195
195
8,81
71
62
65
55
45,67
72
72
56
72
67
60
60
60
55
50
50
47,78
56,7E
56
56
1,74
74
47
65
56,76
78
73,77
52
61
52
- 32
Inches
x 2.54
= cm.
1982
Temperature (OF)!/
July
1942-82 Extremes
Temperature (F)
Ground
Min
Date
Rain
Inches
Maximum
Highest
Year
Lowest
Year
Minimum
Highest Year Lowest Year
- -
0.11
a--
0.08
0.11
0.02
0.14
0.10
- -
0.02
0.01
- -
- -
- -
0.50
0.15
0.18
0.33
0.07
0.05
0.85
0.28
0.06
0.76
48,50,54,63
48,50,59
1972
1979
1953,69
1969
1979
1980
1944,81
1980
1,61,69,77,80
1951
1944,81
1946,61
57,62,79,81
1955,60
1955
48,58,69,73
1951,85
1960
1960
1960
1960
1961,62
1956,61
1951,61
1956
1956
1968
1961
1961
1966
1974,76
1968
1974
1957,58
1956
1974
1954
1950
1950,68
1963
1956
1975
1973,75
1965,72
1954
1978
1965
1961
1947
1949,70
1967
1966
1945
1945,53
45,54,64
1964
1960
1945
1965
1960
1966
1982
1970
1978,82
1945,46
1966
1945,80
1953
1954
1945
1965,80
1969
1969,80
1958
1980
47,48,81
1965
1966
1957
1981
53,57,60
1957,63
1960
1957,62
1962
1962,68
1960
44,45,68
1945
1946
1957,65
1981
1968
56,67,73
1944
1947
1972
1972
1972
1968
1964,71
44,56,72,7
1956,76
1956,71
1972
1974,77
1967
1967
1977
1977
1977
1977
1976
1977
1977
1956
55,56,77,7
1961
46,55,72,76
1956
1967
1949,64
0.85
3.82
Range 93
Total
1/ OF-32
1.8
Inches
x 2.54=
cm.
1982
Temperature (F) /
Ground
Min
Date
I2/
Rain-
Inches
August
1942-82 Extremes
~_ __Temperature (FO)
Maximum
Highest Year Lowest Year
Minimums
Highest Year Lowest Year
- -
0.33
0.03
0.45
- -
- -
54,5
51,54
57,74
50,55
48,50
1.12
0.45
6
1961
1956,
1960
1953
1956r
,61,7
1967
1977
1963
1981
1961
1956
1961
1963
,61,78,79
1957,79
1957
1980
0,75,78
1954
1962
1955,60
,62,68,80,82
,51,64,69
1964
1951
1944,49
56,59,67
1980
48,51,61
1955,61
1974
1959
1973
1957
1958
1969
1969
1947
47,50,59
1959
1970
1967
1949
1980
1967,71
1971
48,65,71
1945,58
1981, 82
1982
1949,81
1981
1977
1945
1960
1948,60
48,68,.72
1949
1981
1977
1957,72
1948,62
1965
1960
1953,58
45,58,60
45,54,68,60
44,45,53
1965
1953
1968,81
1955
1955
1954
1978
1965
1949
1949
1949
1957
1944,45
1951,69
1945,69
1968,78
1958
1949
1949,70
1951
1954
1959
47,49,51
1945,48
1950
1962
1972
1972
1971,
1971
1973,
1976
1977
1956
1979
1967
1977
1976,
1967
1976
1962
1977
1956
1976
1977
1973
1957
56,62
1962
1962
1949
1948
1958,
1969
1962
Av. 90
Range 94
Total
1.12
5.73
- OF
- 32
- C
Inches
x 2.54
= cm.
1982
September
1972-82 Extre
ture (F)
Temperature (pF)!/
Ground
Date Max
Tempera
Rain!2/
Inches
Maximums
Highes t Year Lowest Year
Minimum
Highest Year Lowest Year
----
----
1964
1944,64
1944,51
1945
1948
1948
1948,51
1957
1948
48,,73;78
47;61,662
1945,79
1955
7,49,51,62
1950,58
1958
1957'
0,51,56,74*
1962
1958
196.1
4.,57,5, 61.
51,55,58-
1954.
1951,58
1951,55
1980
1951
50,51,74
1958
4.
4.
1953
1954,5
1960
1945
1950
1950
1950
1971
1971
1971
1971
1966
1968
1968
1946
1945.
19477
1947
48,46,56,
1962
1962
1948
1982
1963,
1963
1948
1948
1947
1949-
1967
1950 ,81
4,50,51,62
1944,51
1944,48
1944, 79
1962
1974
7,51,65,7T
45,65,68
1965,78
45, 64,73
1979
1974,79
1964,
1973'
45, 54,73'
45, 54,73,7!
1947
1945, 78
1969,53
1951,.79
47,51,54
1979
53, 74,79-
1953.
1953.
1957
51, 63, 657
1965
1945
51,66
19
19
19
0
I
69
64
67
67'
67
68.
68
68
67
65
67
65
68
65'
65
60
9. 66.
61
60
62
67T
66
63
62.
65
64
57
62
63
56
nge: ~t.
tal
OF 32-=
-0-
Inches x
Also 195
3.45
9.68
54=cm,
,1971,2.
times
64,6 7, 7
1964,7E
1978
1964-
50,64,68,
1958
1980
1956
1969
1956
1968,7(
1976
1976
1961L
1981
1981
50,75,71
1964,7:
1967
1967
1967
1961.
1956
1961
1947,64
1962-
- a-
- -- -
October
1982
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
Temperatur
Ground
Min Min
72 72
76 74
74 74
71 70
72 72
71 70
71 70
70 70
69 70
69 70
69 68
69 68
66 66
69 68
65 66
60 60
58 56
53 57
62 64
64 68
64 62
63 62
66 68
56 58
49 48
47 45
52 52
52 56
59 58
62 62
65 66
e (F)1/
Raint-
Inches
0.22
0.02
----
--
----
- -- -
----
----
----
----
----
----
- -- -
----
0.66
----
----
----
- -- a
- -- -
1942-82 Extremes
Temperature(oF
Tepraue F
Maximum
Highest Ye
93 19
95 19
95 19
94 19
95 19
92 19
91 51,55
93 19
92 19
93 19.
92 19.
93 19.
92 19(
90 19(
92 192
91 192
92 192
88 49,51
91 191
89 19
88 19
88 19!
89 19!
89 195
88 19
89 191
89 196
89 197
90 197
93 195
90 19
Minimum
Lowes
80
76
82
79
79
78
72
74
78
73
65
72
76
71
70
72
75
70
72
72
72
70
73
73
64
71
65
71
73
70
70
Year
1949,67
1951
1957,76
1948,74
1974
1964
1964
1964
1953
1953
1978
1971
1944
1977
1977
1978
1950
1977
1953
1955
1964
1976
1965
1982
1982
1982
1957
1957
1944
1968
1955
st
Highe
74
76
74
74
77
73
76
73
72
73
71
73
72
72
72
71
72
74
* Year
1948,
1982
1964,
62,64,66
1966
1945
1962
1962,
54,66,7;
1971
47,48,54
1961
1959
1964
1964
1959
1959
1968
1968
1950
1959
1969
1969
1969
1951
1951,
1946,
1972
1949
1949
1949.
st
Lowe
62
56
57
55
58
59
57
58
58
58
56
56
50
53
53
50
55
51
52
50
43
45
46
50
49
47
42
44
46
43
46
ar
t __
Av.
Range
Total
1/ OF
3.2(
- 32
= C.
Inches
x 2.54
- cm.
------
Ye
19
19
19
19
19
19
19
19
19.
19
19.
19
19
19,
19.
19,
19
19'
191
191
191
191
191
19i
191
1968,1
19(
191
191
19(
19'
Rai
Max
1.8
3.2
1.1
0.8
1.4
0.8
0.7
0.9
0.8
2.8
2.3
1.9
1.0
0.6
1.0
1.2
1.5
2.1
1.5
0.6
0.5
0.6
0.8
2.2(
1.72
0.8
0.01
0.0
2.8>
1.5:
1.9
,59
77
81
59
November
1982
1942-82
Extremes
Temperature
Temperature
Ground
Min
Date
Rain2./
Inches
Maximum
Highest Year Lowest Year
Miniumun
Highest Year Lowest Year
1971
1961
1962
1972
1959
1959
1%1
1957,
1946
6,75,77,
1961
1961
1949
1948,
1944,
1957
1957
47,48,60
1948,
1948,
1948,
1948,
1948,
1958
1946,
1946
1948
1948
1973
1968
1965
1953
1963
1966
1970
1950
1953
1959
1950
1956
1953
1953
1968
1968
1975
1969
1970
1970
1951
1951
1968
1944
1945
1945
1970
1970
1950
1947
1959
1955
1960
1971
1979,8:
1982
1981
1958
1972
1972
1949
1980
1979
1979
1979
1947,7:
1980
1951
1980
1947
1948
1946,4
1948
1947
47,48,53
1953
1957
1979
1948
1948
1964
1972
Av.
Range
Total
1/ OF
0.22
0.33
- 32
Inches
x 2.54
= cm.
= C
-
1982
Temperature (OF)
Ground
L Min
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
Rain2/
Inches
- -
- -
- -
- -
- -
0.04
--
- -
- -
- -
0.13
0.67
- -
- -
trace
0.13
December
1942-1982 Extremes
Temperature (F)
Teprtr (0F
Maximum
Highest Year Lowest Year
1978
1977
1968
1978
1964,78
1982
1972
1978
1978
1960
1971
1947,48
1961
1956
1956
1961
48,56,59
1956
1946.67
1946,
1956
1948
1970
1944
1970
1962
1962
1962
1960
1946,
1951
1976
1976
1976
1974
1945
1945
1962
1962
1973
1954
1962
1973
1962
1962
1962
1968
1968
1973
1953
945,50
1954
1977
1975
1976
1963
1963
1977
1977
1980
1980
1948
Minimum
Highest Year Lowest Year
1977
1982
1982
1964
1978
1977
1979,82
1972,82
1972,82
1982
1967
1976
1953
1972
1972
1965
1977
1961
1961
1946
1951
1951
1971
1947
1951
1964
1951
1949
1949
1949,45
1949
1966
1966
3,69,74
1974
1974
1963
1977
1959,7
1968
1974
1962
1957
1962
1962
1962
1968
1960,6
1973
1950
1958
1954
1973
1973
1973
1966
1961
1977
1977
1961 8(
1961
1948,8(
AV.
Range
Total
1/ F
0.67
0.97
- 32
Inches
x 2.54
= cm.
1/
Inches-
rainfall at
ARC
Ona
1982 compared
with average
1943-
By months
Accumulative
months
1943-
1943
Days*
1982
Excess
Deficit
Rain
1982
Excess
Deficit
Rain
Jan.
2
Apr.
May
June
July
Aug.
Sept.
Oct.
Nov.
Dec.
Total
58 15.44
53.6
22.48
31.43
39.57
46.90
50.02
.23 14.
53.61
53.61
11.6
12.68
17.89
33.33
42.88
52.56
56.23
or more inches
Inches
rainfall.
- cm.
1982 Frequency
of Maximum
1/
Temperatures-
, days
(OF)
Apr
May
June
July
Aug
Sept
Nov
Total
(OF)
80-89
80-89
70-79
60-69
50-59
40-49
Total
2/
- 31
1982
Frequency
of Minimum
Temperatures-
, days
Apr
May
June
July
Aug
Sept
Nov
Total
(OF)
60-6
40-49
70-79
60-69
50-59
40-49
39
38
37
36
35
34
33
. rI
I I I_ __ I __ __ I __
Summary
of Temperature
Reoords
Months
Extreme
ground
1982 Av
Month
Max
Min.
1944-
Mean
Max.
1982
Av.
Min.
Extremes
Mean
High
Low
1944-
Extremes
High
Low
surface
Avg.
Extremes
Jan.
80.4
80.6
Apr.
May
June
July
Aug
Sept
Nov.
Dec.
88.9
90.8
83.1
79.5
77.1
49.4
57.4
57.7
62.6
71.6
71.6
70.3
64.0
68.9
79.4
48.7
50.0
54.9
57.3
62.4
80.5
81.2
79.4
73.6
70.2
56.4
90.3
89.2
85.0
78.9
74.7
74.7
67.4
61.3
_ ~~___
1982
min.
Evaporation Rates
, Water
Temperatures,
Solar
Radiation
Wind
Speeds.
1982 Evaporation
Evaporation
Av cm/day
Solar
Water temp
Extremes
Max
radiation
Av. Watts
meter2 ne:
Watts
Wind
speed
miles per
meters
s/hr-
hour
meters
crNs
January
February
March
April
May
June
.346
0.453
.448
.463
.582
July
1.70
August
September
October
.606
November
December
m m III mmunim
_ I
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