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Olney Weather in 1978

Historical record of Olney, Illinois weather for the year 1978 based on NOAA data.
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1978 Olney Weather Extremes
Highest temperature 100 °F June 29
Lowest temperature -15 °F March 5
Highest daily low 75 °F August 19
Lowest daily high 11 °F January 9
Most daily precipitation 3.1 inches October 13
Most daily snow 0.8 inches February 28
Total annual precipitation 44.4 inches -
What was the hottest temperature in Olney in 1978?
The highest temperature recorded in Olney, Illinois in 1978 was 100 °F which happened 2 different times.
Highest Temperatures: All-Time By Year
Highest Temperatures in Olney in 1978
Rank Temperature Date
1 100 °F Jun 29
1 100 °F Jun 27
3 99 °F Jun 28
4 98 °F Jul 7
4 98 °F Jul 1
4 98 °F Jun 30
4 98 °F Jun 26
8 97 °F Aug 24
9 96 °F Aug 25
9 96 °F Jul 21
9 96 °F Jul 20
What was the coldest temperature in Olney in 1978?
The lowest temperature recorded in Olney, Illinois in 1978 was -15 °F which happened on Mar 5.
Lowest Temperatures: All-Time By Year
Lowest Temperatures in Olney in 1978
Rank Temperature Date
1 -15 °F March 5
2 -14 °F January 30
3 -9 °F January 22
4 -7 °F February 6
5 -6 °F February 19
5 -6 °F February 7
7 -5 °F March 4
8 -4 °F January 31
9 -3 °F January 26
9 -3 °F January 15
January 1978 Olney Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
January 1
 36 18 0.04 n/a
January 2
 28 6 0.00 n/a
January 3
 34 8 0.00 n/a
January 4
 44 21 0.00 n/a
January 5
 42 34 0.00 n/a
January 6
 45 35 0.00 n/a
January 7
 47 40 0.03 n/a
January 8
 45 8 0.00 n/a
January 9
 11 1 0.00 n/a
January 10
 15 -2 0.00 n/a
January 11
 24 1 0.00 n/a
January 12
 24 14 0.18 n/a
January 13
 24 19 0.03 n/a
January 14
 28 9 0.04 n/a
January 15
 23 -3 0.00 n/a
January 16
 26 6 0.36 n/a
January 17
 25 20 0.34 n/a
January 18
 23 2 0.00 n/a
January 19
 26 11 0.00 n/a
January 20
 29 21 0.06 n/a
January 21
 22 8 0.00 n/a
January 22
 28 -9 0.00 n/a
January 23
 35 4 0.00 n/a
January 24
 38 24 0.22 n/a
January 25
 34 27 0.16 n/a
January 26
 27 -3 0.17 n/a
January 27
 18 6 0.00 n/a
January 28
 16 3 0.00 n/a
January 29
 13 2 0.00 n/a
January 30
 21 -14 0.00 n/a
January 31
 23 -4 0.00 n/a
February 1978 Olney Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
February 1
 24 2 0.00 0.0
February 2
 29 13 0.00 0.0
February 3
 32 7 0.00 0.0
February 4
 31 2 0.00 0.0
February 5
 23 13 0.00 0.0
February 6
 22 -7 0.00 0.0
February 7
 20 -6 0.00 0.0
February 8
 26 0 0.00 0.0
February 9
 29 6 0.00 0.0
February 10
 33 5 0.00 0.0
February 11
 35 0 0.00 0.0
February 12
 35 22 0.00 0.0
February 13
 34 23 0.37 0.0
February 14
 n/a 22 0.00 0.0
February 15
 33 15 0.00 0.0
February 16
 n/a 22 0.01 0.3
February 17
 25 5 0.00 0.0
February 18
 23 11 0.00 0.0
February 19
 26 -6 0.00 0.0
February 20
 30 7 0.00 0.0
February 21
 27 17 0.00 0.0
February 22
 28 -2 0.00 0.0
February 23
 30 23 0.00 0.0
February 24
 41 19 0.00 0.0
February 25
 38 28 0.00 0.0
February 26
 28 18 0.00 0.0
February 27
 33 5 0.00 0.0
February 28
 37 27 0.11 0.8
March 1978 Olney Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
March 1
 35 23 0.09 n/a
March 2
 27 18 0.22 n/a
March 3
 27 21 0.18 n/a
March 4
 22 -5 0.00 n/a
March 5
 39 -15 0.00 n/a
March 6
 45 15 0.00 n/a
March 7
 36 32 0.98 n/a
March 8
 32 26 0.53 n/a
March 9
 34 26 0.00 n/a
March 10
 45 16 0.00 n/a
March 11
 44 25 0.00 n/a
March 12
 40 33 0.06 n/a
March 13
 43 28 0.42 n/a
March 14
 41 36 1.50 n/a
March 15
 40 33 0.00 n/a
March 16
 44 32 0.00 n/a
March 17
 35 24 0.04 n/a
March 18
 49 17 0.00 n/a
March 19
 56 38 0.00 n/a
March 20
 67 35 0.00 n/a
March 21
 60 43 0.34 n/a
March 22
 66 29 0.00 n/a
March 23
 59 45 0.08 n/a
March 24
 47 38 0.43 n/a
March 25
 43 34 0.33 n/a
March 26
 36 33 0.14 n/a
March 27
 42 33 0.15 n/a
March 28
 72 34 0.03 n/a
March 29
 62 44 0.00 n/a
March 30
 63 36 0.00 n/a
March 31
 82 49 0.00 n/a
April 1978 Olney Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
April 1
 78 61 0.02 0.0
April 2
 77 49 0.00 0.0
April 3
 81 51 0.05 0.0
April 4
 72 56 0.08 0.0
April 5
 71 39 0.00 0.0
April 6
 73 60 0.15 0.0
April 7
 78 37 0.00 0.0
April 8
 80 46 0.00 0.0
April 9
 82 54 0.00 0.0
April 10
 78 59 0.56 0.0
April 11
 62 44 0.32 0.0
April 12
 72 43 0.00 0.0
April 13
 64 45 0.00 0.0
April 14
 63 34 0.00 0.0
April 15
 67 48 0.00 0.0
April 16
 57 41 0.42 0.0
April 17
 68 39 0.00 0.0
April 18
 72 53 0.52 0.0
April 19
 58 44 0.39 0.0
April 20
 n/a 41 0.04 0.0
April 21
 51 35 0.00 0.0
April 22
 59 30 0.00 0.0
April 23
 70 49 0.03 0.0
April 24
 63 44 0.21 0.0
April 25
 53 45 0.10 0.0
April 26
 68 43 0.00 0.0
April 27
 70 38 0.00 0.0
April 28
 71 37 0.00 0.0
April 29
 64 49 0.24 0.0
April 30
 70 51 0.00 0.0
May 1978 Olney Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
May 1
 65 38 0.00 0.0
May 2
 63 32 0.00 0.0
May 3
 64 35 0.00 0.0
May 4
 58 45 1.42 0.0
May 5
 51 45 0.06 0.0
May 6
 60 34 0.00 0.0
May 7
 n/a 50 0.34 0.0
May 8
 78 50 0.05 0.0
May 9
 72 50 0.01 0.0
May 10
 78 41 0.00 0.0
May 11
 76 58 0.03 0.0
May 12
 77 61 0.41 0.0
May 13
 70 48 0.99 0.0
May 14
 56 45 0.02 0.0
May 15
 59 45 0.05 0.0
May 16
 66 52 0.02 0.0
May 17
 74 48 0.00 0.0
May 18
 80 47 0.00 0.0
May 19
 84 50 0.00 0.0
May 20
 84 60 0.00 0.0
May 21
 80 56 0.00 0.0
May 22
 70 53 0.08 0.0
May 23
 80 60 1.47 0.0
May 24
 85 64 0.46 0.0
May 25
 89 65 0.00 0.0
May 26
 90 67 0.00 0.0
May 27
 91 59 0.00 0.0
May 28
 92 59 0.00 0.0
May 29
 88 60 0.00 0.0
May 30
 n/a 66 0.00 0.0
May 31
 89 56 0.00 0.0
June 1978 Olney Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
June 1
 91 63 0.00 0.0
June 2
 78 63 0.04 0.0
June 3
 79 58 0.00 0.0
June 4
 82 52 0.00 0.0
June 5
 86 58 0.00 0.0
June 6
 81 63 0.00 0.0
June 7
 80 66 0.12 0.0
June 8
 76 65 0.00 0.0
June 9
 80 50 0.00 0.0
June 10
 84 48 0.00 0.0
June 11
 90 59 0.00 0.0
June 12
 89 70 0.00 0.0
June 13
 82 55 0.00 0.0
June 14
 81 46 0.00 0.0
June 15
 83 55 0.00 0.0
June 16
 92 63 0.00 0.0
June 17
 95 73 0.00 0.0
June 18
 89 68 0.03 0.0
June 19
 88 60 0.03 0.0
June 20
 90 63 0.24 0.0
June 21
 81 62 0.00 0.0
June 22
 85 51 0.00 0.0
June 23
 80 61 0.00 0.0
June 24
 92 62 0.00 0.0
June 25
 95 71 0.00 0.0
June 26
 98 72 0.00 0.0
June 27
 100 74 0.00 0.0
June 28
 99 73 0.00 0.0
June 29
 100 73 0.00 0.0
June 30
 98 68 0.00 0.0
July 1978 Olney Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
July 1
 98 69 0.02 0.0
July 2
 90 71 0.12 0.0
July 3
 88 68 0.00 0.0
July 4
 88 65 0.00 0.0
July 5
 92 61 0.00 0.0
July 6
 94 62 0.00 0.0
July 7
 98 69 0.11 0.0
July 8
 93 72 0.00 0.0
July 9
 92 69 0.00 0.0
July 10
 89 69 0.27 0.0
July 11
 80 56 0.00 0.0
July 12
 86 59 0.00 0.0
July 13
 89 72 0.34 0.0
July 14
 91 68 0.00 0.0
July 15
 n/a 67 1.00 0.0
July 16
 89 61 0.00 0.0
July 17
 92 61 0.00 0.0
July 18
 91 64 0.00 0.0
July 19
 94 69 0.00 0.0
July 20
 96 70 0.00 0.0
July 21
 96 73 0.00 0.0
July 22
 95 72 0.00 0.0
July 23
 89 73 0.00 0.0
July 24
 79 66 1.00 0.0
July 25
 86 71 0.00 0.0
July 26
 93 68 0.00 0.0
July 27
 n/a 64 0.22 0.0
July 28
 87 58 0.00 0.0
July 29
 95 62 0.00 0.0
July 30
 92 68 1.45 0.0
July 31
 82 63 0.00 0.0
August 1978 Olney Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
August 1
 88 61 0.00 0.0
August 2
 90 72 0.08 0.0
August 3
 85 69 2.00 0.0
August 4
 n/a 62 0.00 0.0
August 5
 80 59 0.00 0.0
August 6
 81 58 0.25 0.0
August 7
 84 58 0.00 0.0
August 8
 87 56 0.00 0.0
August 9
 91 64 0.00 0.0
August 10
 90 65 0.00 0.0
August 11
 86 68 0.15 0.0
August 12
 88 67 1.18 0.0
August 13
 85 61 0.00 0.0
August 14
 89 66 0.00 0.0
August 15
 92 70 0.00 0.0
August 16
 88 75 0.00 0.0
August 17
 86 59 0.00 0.0
August 18
 95 69 0.00 0.0
August 19
 89 75 0.12 0.0
August 20
 81 56 0.00 0.0
August 21
 82 52 0.00 0.0
August 22
 86 54 0.00 0.0
August 23
 92 59 0.00 0.0
August 24
 97 64 0.00 0.0
August 25
 96 69 0.05 0.0
August 26
 92 64 0.00 0.0
August 27
 94 69 0.00 0.0
August 28
 89 70 0.12 0.0
August 29
 82 66 1.22 0.0
August 30
 70 65 2.19 0.0
August 31
 n/a n/a 0.00 0.0
September 1978 Olney Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
September 1
 84 54 0.00 0.0
September 2
 85 54 0.00 0.0
September 3
 88 55 0.00 0.0
September 4
 86 55 0.00 0.0
September 5
 84 54 0.00 0.0
September 6
 89 54 0.00 0.0
September 7
 90 55 0.00 0.0
September 8
 92 55 0.00 0.0
September 9
 91 56 0.00 0.0
September 10
 91 62 0.00 0.0
September 11
 89 63 0.00 0.0
September 12
 83 69 0.00 0.0
September 13
 89 69 0.00 0.0
September 14
 84 70 0.36 0.0
September 15
 86 54 0.00 0.0
September 16
 84 68 0.30 0.0
September 17
 90 68 0.00 0.0
September 18
 90 74 0.00 0.0
September 19
 93 72 0.00 0.0
September 20
 92 67 0.00 0.0
September 21
 84 62 0.00 0.0
September 22
 74 54 0.00 0.0
September 23
 75 46 0.00 0.0
September 24
 78 41 0.00 0.0
September 25
 80 55 0.00 0.0
September 26
 80 43 0.00 0.0
September 27
 85 45 0.00 0.0
September 28
 76 47 0.00 0.0
September 29
 80 43 0.00 0.0
September 30
 n/a 53 0.13 0.0
October 1978 Olney Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
October 1
 71 44 0.00 0.0
October 2
 75 42 0.00 0.0
October 3
 69 57 0.11 0.0
October 4
 75 41 0.00 0.0
October 5
 73 54 0.00 0.0
October 6
 58 43 0.00 0.0
October 7
 56 41 0.00 0.0
October 8
 64 29 0.00 0.0
October 9
 73 42 0.00 0.0
October 10
 71 51 0.00 0.0
October 11
 67 53 0.37 0.0
October 12
 81 57 0.26 0.0
October 13
 62 48 3.12 0.0
October 14
 59 41 0.18 0.0
October 15
 59 31 0.00 0.0
October 16
 55 38 0.00 0.0
October 17
 61 33 0.00 0.0
October 18
 70 36 0.00 0.0
October 19
 65 40 0.00 0.0
October 20
 76 36 0.00 0.0
October 21
 80 44 0.00 0.0
October 22
 81 58 0.00 0.0
October 23
 72 53 0.02 0.0
October 24
 61 30 0.00 0.0
October 25
 65 37 0.05 0.0
October 26
 62 48 0.03 0.0
October 27
 65 30 0.00 0.0
October 28
 64 34 0.00 0.0
October 29
 66 38 0.00 0.0
October 30
 76 36 0.00 0.0
October 31
 75 46 0.00 0.0
November 1978 Olney Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
November 1
 70 45 0.00 0.0
November 2
 75 38 0.00 0.0
November 3
 77 40 0.00 0.0
November 4
 78 42 0.00 0.0
November 5
 78 54 0.00 0.0
November 6
 67 48 0.00 0.0
November 7
 54 36 0.23 0.0
November 8
 59 27 0.00 0.0
November 9
 66 38 0.00 0.0
November 10
 68 38 0.00 0.0
November 11
 72 45 0.00 0.0
November 12
 64 47 0.00 0.0
November 13
 78 48 0.00 0.0
November 14
 69 42 0.35 0.0
November 15
 42 35 1.15 0.0
November 16
 47 40 0.11 0.0
November 17
 63 42 1.28 0.0
November 18
 46 41 0.00 0.0
November 19
 51 29 0.00 0.0
November 20
 48 39 0.00 0.0
November 21
 48 37 0.00 0.0
November 22
 48 38 0.02 0.0
November 23
 54 43 0.28 0.0
November 24
 52 n/a 0.00 0.0
November 25
 47 27 0.00 0.0
November 26
 47 39 1.13 0.0
November 27
 46 37 0.03 0.0
November 28
 40 30 0.00 0.0
November 29
 52 26 0.00 0.0
November 30
 48 31 0.00 0.0
December 1978 Olney Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
December 1
 55 27 0.00 0.0
December 2
 46 30 0.22 0.0
December 3
 59 35 1.33 0.0
December 4
 56 23 0.00 0.0
December 5
 50 27 0.00 0.0
December 6
 n/a 28 0.00 0.0
December 7
 49 33 0.83 0.0
December 8
 38 21 1.15 0.0
December 9
 28 16 0.00 0.0
December 10
 28 8 0.00 0.0
December 11
 37 15 0.00 0.0
December 12
 44 23 0.00 0.0
December 13
 41 31 0.00 0.0
December 14
 40 22 0.00 0.0
December 15
 47 30 0.00 0.0
December 16
 49 33 0.00 0.0
December 17
 43 20 0.00 0.0
December 18
 45 28 0.00 0.0
December 19
 43 30 0.00 0.0
December 20
 63 40 0.22 0.0
December 21
 40 26 0.00 0.0
December 22
 45 28 0.00 0.0
December 23
 46 21 0.00 0.0
December 24
 42 29 0.34 0.0
December 25
 37 22 0.00 0.0
December 26
 n/a 25 0.00 0.0
December 27
 38 16 0.00 0.0
December 28
 40 22 0.00 0.0
December 29
 48 33 0.10 0.0
December 30
 45 41 0.64 0.0
December 31
 42 33 1.57 0.0
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