286,642 weather records were set or tied in 2017, including 148,148 temperature record highs and 50,935 record lows, and 197,118 of them still stand.
Data as of . Last revised (2026-10-12).
Key Facts
286,642 weather records were set or tied in 2017, including 148,148 record highs and 50,935 record lows of maximum and minimum temperature.
197,118 of the 286,642 records set in 2017 still stand (68.8%).
February 2017 had the most records: 31,370.
United States had the most records in 2017: 173,556, with 90,240 highs and 34,705 lows.
7,634 stations had a full year of temperature data in 2017, so counts differ between years partly because the number of reporting stations does.
21 extreme weather events were detected in 2017.
Storms in 2017: 83 named storms worldwide, of which 41 reached hurricane strength (64 kt or more) and 19 were major (96 kt or more), with a combined 559.5 ACE.
Highs and Lows
Temperature records set or tied in 2017
Record highs and record lows set or tied in 2017
Record highs
148,148
Record lows
50,935
Still Standing
68.8% of the year's records
Records set in 2017 that still stand or have since been beaten
Still stand
197,118 (68.8%)
Since beaten or tied
89,524 (31.2%)
A record stands until a later observation beats or ties it, as of 2026-10-12.
By Type and Timescale
Records set or tied in 2017 by type
Record high minimum temperature
79,759
Record daily precipitation
73,523
Record high maximum temperature
68,389
Record low maximum temperature
29,137
Record low minimum temperature
21,798
Record snow depth
7,127
Record daily snowfall
6,909
Records set or tied in 2017 by timescale
Daily
273,598
Monthly
11,956
All-time
1,088
By Month
Weather records set or tied in each calendar month of 2017, all types together.
Records set or tied in each month of 2017
Month
Records
Jan
29,264
Feb
31,370
Mar
26,937
Apr
19,826
May
23,013
Jun
21,098
Jul
17,584
Aug
21,557
Sep
26,287
Oct
24,686
Nov
22,325
Dec
22,695
Countries With the Most Records
Countries with the most records set or tied in 2017
Storms in 2017: 83 named storms worldwide, of which 41 reached hurricane strength (64 kt or more) and 19 were major (96 kt or more), with a combined 559.5 ACE.
Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Source: International Best Track Archive for Climate Stewardship (IBTrACS) v04r01, NOAA National Centers for Environmental Information, doi:10.25921/82ty-9e16. Some agency values come from third parties such as JMA, IMD and BoM. (NOAA NCEI terms (citation requested)) Data as of 2026-10-12. Records are computed by this site and are not official. Counts depend on how many stations reported.