Calendar Day of the Year frequencies of temperatures 90°F or higher.
Lincoln Temperature Data 1887-2026 (140 years)
Highest frequency 81/140 (58%) of the years: July 26.
Second Highest frequency 79/140 (56%) of the years: July 16
Earliest 90°F or higher March 16
Latest 90°F or higher October 20
Table data: xmACIS verified thru August 31 2026
Single Station, calendar day summaries, (variable) max temperature, (summary) number of years,
threshold >= 90, station Lincoln Area
Note data table following the graph>>>
Table: Lincoln, NE, Total Frequency of daily highs 90°F or higher 1887 thru August 31, 2026
| Day | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | Day |
| 1 | 0 | 0 | 0 | 1 | 7 | 14 | 57 | 63 | 44 | 5 | 0 | 0 | 1 |
| 2 | 0 | 0 | 0 | 1 | 3 | 13 | 62 | 66 | 44 | 8 | 0 | 0 | 2 |
| 3 | 0 | 0 | 0 | 0 | 1 | 20 | 58 | 65 | 37 | 9 | 0 | 0 | 3 |
| 4 | 0 | 0 | 0 | 1 | 2 | 22 | 57 | 58 | 41 | 6 | 0 | 0 | 4 |
| 5 | 0 | 0 | 0 | 0 | 5 | 31 | 68 | 60 | 46 | 3 | 0 | 0 | 5 |
| 6 | 0 | 0 | 0 | 2 | 4 | 25 | 64 | 55 | 45 | 3 | 0 | 0 | 6 |
| 7 | 0 | 0 | 0 | 0 | 7 | 29 | 67 | 62 | 34 | 1 | 0 | 0 | 7 |
| 8 | 0 | 0 | 0 | 0 | 7 | 29 | 64 | 56 | 34 | 3 | 0 | 0 | 8 |
| 9 | 0 | 0 | 0 | 1 | 7 | 27 | 63 | 66 | 29 | 2 | 0 | 0 | 9 |
| 10 | 0 | 0 | 0 | 2 | 4 | 28 | 68 | 53 | 27 | 4 | 0 | 0 | 10 |
| 11 | 0 | 0 | 0 | 1 | 3 | 37 | 64 | 44 | 24 | 1 | 0 | 0 | 11 |
| 12 | 0 | 0 | 0 | 1 | 7 | 31 | 69 | 58 | 26 | 4 | 0 | 0 | 12 |
| 13 | 0 | 0 | 0 | 1 | 5 | 32 | 72 | 51 | 30 | 1 | 0 | 0 | 13 |
| 14 | 0 | 0 | 0 | 1 | 9 | 32 | 73 | 52 | 16 | 1 | 0 | 0 | 14 |
| 15 | 0 | 0 | 0 | 2 | 5 | 33 | 77 | 50 | 18 | 1 | 0 | 0 | 15 |
| 16 | 0 | 0 | 1 | 1 | 8 | 40 | 79 | 57 | 19 | 0 | 0 | 0 | 16 |
| 17 | 0 | 0 | 0 | 1 | 8 | 48 | 74 | 55 | 25 | 0 | 0 | 0 | 17 |
| 18 | 0 | 0 | 0 | 1 | 10 | 44 | 72 | 55 | 27 | 0 | 0 | 0 | 18 |
| 19 | 0 | 0 | 0 | 1 | 11 | 46 | 67 | 49 | 28 | 0 | 0 | 0 | 19 |
| 20 | 0 | 0 | 0 | 1 | 6 | 45 | 73 | 38 | 16 | 1 | 0 | 0 | 20 |
| 21 | 0 | 0 | 1 | 2 | 6 | 42 | 67 | 51 | 13 | 0 | 0 | 0 | 21 |
| 22 | 0 | 0 | 1 | 2 | 7 | 50 | 63 | 45 | 10 | 0 | 0 | 0 | 22 |
| 23 | 0 | 0 | 0 | 0 | 13 | 50 | 68 | 51 | 12 | 0 | 0 | 0 | 23 |
| 24 | 0 | 0 | 0 | 5 | 12 | 56 | 64 | 54 | 6 | 0 | 0 | 0 | 24 |
| 25 | 0 | 0 | 1 | 2 | 11 | 54 | 63 | 50 | 8 | 0 | 0 | 0 | 25 |
| 26 | 0 | 0 | 0 | 4 | 8 | 39 | 81 | 51 | 11 | 0 | 0 | 0 | 26 |
| 27 | 0 | 0 | 0 | 2 | 7 | 53 | 70 | 54 | 9 | 0 | 0 | 0 | 27 |
| 28 | 0 | 0 | 1 | 4 | 15 | 61 | 70 | 54 | 10 | 0 | 0 | 0 | 28 |
| 29 | 0 | 0 | 0 | 3 | 13 | 65 | 56 | 46 | 8 | 0 | 0 | 0 | 29 |
| 30 | 0 | - | 1 | 2 | 12 | 64 | 66 | 49 | 8 | 0 | 0 | 0 | 30 |
| 31 | 0 | - | 1 | - | 12 | - | 66 | 49 | - | 0 | - | 0 | 31 |
| Day | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | Day |