Sand Draw Weather Records (USC00487980)

Record envelope, standing records and threshold days for Sand Draw (USC00487980), Wyoming, United States, with 30 years of record.

Key Facts for Sand Draw

Sand Draw (USC00487980) is a weather station in Wyoming, United States at 42.77 latitude and -108.18 longitude, 1,818 m (5,965 ft) above sea level.
The station reports from 1948 to 1977, 30 years of record.
1,464 records set at Sand Draw still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Wyoming, United States, 42.77 latitude, -108.18 longitude.
Elevation: 1,818 m (5,965 ft).
Period of record: 1948 to 1977, 30 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Sand Draw. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Sand Draw, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	17.2 C (63.0 F)	-35.6 C (-32.1 F)	n/a	n/a
Feb	16.7 C (62.1 F)	-31.7 C (-25.1 F)	n/a	n/a
Mar	21.1 C (70.0 F)	-27.2 C (-17.0 F)	n/a	n/a
Apr	26.7 C (80.1 F)	-17.2 C (1.0 F)	n/a	n/a
May	31.1 C (88.0 F)	-9.4 C (15.1 F)	n/a	n/a
Jun	36.1 C (97.0 F)	-6.1 C (21.0 F)	n/a	n/a
Jul	37.2 C (99.0 F)	0.0 C (32.0 F)	n/a	n/a
Aug	36.1 C (97.0 F)	0.0 C (32.0 F)	n/a	n/a
Sep	33.9 C (93.0 F)	-11.7 C (10.9 F)	n/a	n/a
Oct	27.8 C (82.0 F)	-17.8 C (0.0 F)	n/a	n/a
Nov	20.6 C (69.1 F)	-26.1 C (-15.0 F)	n/a	n/a
Dec	16.1 C (61.0 F)	-33.3 C (-27.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Sand Draw still stand. 1950 holds the most, with 81.

Standing records at Sand Draw by the year they were set
Year set	Standing records
1948	19
1949	57
1950	81
1951	59
1952	51
1953	64
1954	81
1955	58
1956	47
1957	33
1958	60
1959	54
1960	59
1961	29
1962	72
1963	51
1964	46
1965	56
1966	65
1967	39
1968	44
1969	58
1970	41
1971	34
1972	75
1973	55
1974	40
1975	22
1976	14

Wettest Day of Each Month

Apr: 72.4 mm (2.9 in)

The wettest day on record for each calendar month at Sand Draw. The most was 72.4 mm (2.9 in) on 23 April 1957.

Record daily precipitation for each month at Sand Draw
Month	Record daily precipitation (mm)	Date
Jan	9.1 mm (0.36 in)	25 January 1954
Feb	24.1 mm (0.9 in)	3 February 1955
Mar	19.1 mm (0.8 in)	14 March 1973
Apr	72.4 mm (2.9 in)	23 April 1957
May	36.8 mm (1.4 in)	29 May 1971
Jun	64.0 mm (2.5 in)	12 June 1970
Jul	40.1 mm (1.6 in)	23 July 1955
Aug	40.9 mm (1.6 in)	1 August 1962
Sep	43.2 mm (1.7 in)	2 September 1973
Oct	29.7 mm (1.2 in)	6 October 1962
Nov	21.6 mm (0.9 in)	2 November 1967
Dec	18.3 mm (0.7 in)	31 December 1975

Period of Record Coverage

1948 to 1977

30 years of record at Sand Draw, 1948 to 1977. 5 years have data for under 90 percent of days and are left out of rankings: 1948, 1974, 1975, 1976, 1977.

Days with data per year at Sand Draw
Year	Days with data	Share of year	Complete
1948	151	41%	No
1949	365	100%	Yes
1950	365	100%	Yes
1951	364	100%	Yes
1952	359	98%	Yes
1953	365	100%	Yes
1954	364	100%	Yes
1955	365	100%	Yes
1956	365	100%	Yes
1957	361	99%	Yes
1958	365	100%	Yes
1959	363	99%	Yes
1960	365	100%	Yes
1961	365	100%	Yes
1962	363	99%	Yes
1963	364	100%	Yes
1964	364	99%	Yes
1965	365	100%	Yes
1966	365	100%	Yes
1967	365	100%	Yes
1968	336	92%	Yes
1969	365	100%	Yes
1970	364	100%	Yes
1971	362	99%	Yes
1972	365	100%	Yes
1973	363	99%	Yes
1974	304	83%	No
1975	121	33%	No
1976	190	52%	No
1977	27	7%	No

Latest Records

No records were set at this station in the latest data.

Climate Trend

24 complete years, 1949 to 1973

One stripe for each of 24 complete years at Sand Draw, 1949 to 1973. Blue stripes are years cooler than the station's own mean of 7.2 C (45.0 F); red stripes are warmer. The coolest year was 1951, at 5.7 C (42.3 F), and the warmest was 1954, at 8.7 C (47.6 F). The strongest colour marks a difference of 1.5 C (2.7 F).

Annual mean temperature at Sand Draw as warming stripes, 1949 to 1973
Year	Annual mean temperature	Difference from the station mean
1949	6.7 C	-0.51 C
1950	6.9 C	-0.31 C
1951	5.7 C	-1.48 C
1952	7.5 C	+0.25 C
1953	8.4 C	+1.21 C
1954	8.7 C	+1.46 C
1955	6.6 C	-0.62 C
1956	7.8 C	+0.64 C
1957	7.2 C	-0.03 C
1958	8.2 C	+0.98 C
1959	7.3 C	+0.08 C
1960	7.1 C	-0.11 C
1961	7.0 C	-0.16 C
1962	7.7 C	+0.52 C
1963	8.5 C	+1.31 C
1964	6.6 C	-0.58 C
1965	7.0 C	-0.21 C
1966	7.6 C	+0.36 C
1967	7.1 C	-0.15 C
1969	7.6 C	+0.37 C
1970	7.0 C	-0.17 C
1971	6.5 C	-0.67 C
1972	6.4 C	-0.81 C
1973	5.8 C	-1.45 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1948 to 1977

Yearly extremes at Sand Draw: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	37.2 C (99.0 F)	1954	35.0 C (95.0 F)	30
Coldest night (TNn)	-35.6 C (-32.1 F)	1963	-26.7 C (-16.1 F)	30
Wettest day (Rx1day)	72.4 mm (2.9 in)	1957	26.8 mm (1.1 in)	30
Wettest five days (Rx5day)	106.1 mm (4.2 in)	1970	39.9 mm (1.6 in)	30
Longest dry spell (CDD)	76 days	1962	42 days	30

Hottest day (TXx)

The hottest day of the year at Sand Draw, 1948 to 1977. The record is 37.2 C (99.0 F) in 1954, marked on the chart; the median year is 35.0 C (95.0 F).

Hottest day (TXx) at Sand Draw by year
Year	Hottest day (TXx)
1948	34.4 C (93.9 F)
1949	35.6 C (96.1 F)
1950	33.3 C (91.9 F)
1951	35.6 C (96.1 F)
1952	35.0 C (95.0 F)
1953	35.0 C (95.0 F)
1954	37.2 C (99.0 F)
1955	35.6 C (96.1 F)
1956	34.4 C (93.9 F)
1957	33.3 C (91.9 F)
1958	35.0 C (95.0 F)
1959	36.7 C (98.1 F)
1960	35.6 C (96.1 F)
1961	35.6 C (96.1 F)
1962	35.6 C (96.1 F)
1963	35.0 C (95.0 F)
1964	35.6 C (96.1 F)
1965	34.4 C (93.9 F)
1966	35.0 C (95.0 F)
1967	33.3 C (91.9 F)
1968	33.9 C (93.0 F)
1969	36.1 C (97.0 F)
1970	35.0 C (95.0 F)
1971	35.0 C (95.0 F)
1972	36.1 C (97.0 F)
1973	36.7 C (98.1 F)
1974	35.6 C (96.1 F)
1975	31.7 C (89.1 F)
1976	34.4 C (93.9 F)
1977	8.3 C (46.9 F)

Coldest night (TNn)

The coldest night of the year at Sand Draw, 1948 to 1977. The record is -35.6 C (-32.1 F) in 1963, marked on the chart; the median year is -26.7 C (-16.1 F).

Coldest night (TNn) at Sand Draw by year
Year	Coldest night (TNn)
1948	-20.0 C (-4.0 F)
1949	-33.3 C (-27.9 F)
1950	-30.0 C (-22.0 F)
1951	-30.0 C (-22.0 F)
1952	-26.7 C (-16.1 F)
1953	-22.2 C (-8.0 F)
1954	-23.9 C (-11.0 F)
1955	-25.6 C (-14.1 F)
1956	-25.6 C (-14.1 F)
1957	-25.6 C (-14.1 F)
1958	-19.4 C (-2.9 F)
1959	-32.8 C (-27.0 F)
1960	-27.8 C (-18.0 F)
1961	-27.8 C (-18.0 F)
1962	-32.2 C (-26.0 F)
1963	-35.6 C (-32.1 F)
1964	-29.4 C (-20.9 F)
1965	-25.0 C (-13.0 F)
1966	-25.6 C (-14.1 F)
1967	-25.6 C (-14.1 F)
1968	-27.2 C (-17.0 F)
1969	-21.7 C (-7.1 F)
1970	-24.4 C (-11.9 F)
1971	-25.6 C (-14.1 F)
1972	-33.3 C (-27.9 F)
1973	-30.6 C (-23.1 F)
1974	-30.0 C (-22.0 F)
1975	-26.1 C (-15.0 F)
1976	-27.8 C (-18.0 F)
1977	-26.7 C (-16.1 F)

Wettest day (Rx1day)

The wettest day of the year at Sand Draw, 1948 to 1977. The record is 72.4 mm (2.9 in) in 1957, marked on the chart; the median year is 26.8 mm (1.1 in).

Wettest day (Rx1day) at Sand Draw by year
Year	Wettest day (Rx1day)
1948	12.7 mm (0.5 in)
1949	14.5 mm (0.6 in)
1950	24.9 mm (1.0 in)
1951	30.2 mm (1.2 in)
1952	28.2 mm (1.1 in)
1953	23.9 mm (0.9 in)
1954	15.7 mm (0.6 in)
1955	40.1 mm (1.6 in)
1956	30.7 mm (1.2 in)
1957	72.4 mm (2.9 in)
1958	40.1 mm (1.6 in)
1959	30.5 mm (1.2 in)
1960	18.3 mm (0.7 in)
1961	18.5 mm (0.7 in)
1962	42.4 mm (1.7 in)
1963	35.6 mm (1.4 in)
1964	52.1 mm (2.1 in)
1965	24.4 mm (1.0 in)
1966	24.9 mm (1.0 in)
1967	40.1 mm (1.6 in)
1968	24.4 mm (1.0 in)
1969	41.1 mm (1.6 in)
1970	64.0 mm (2.5 in)
1971	36.8 mm (1.4 in)
1972	22.9 mm (0.9 in)
1973	43.2 mm (1.7 in)
1974	25.4 mm (1.0 in)
1975	18.3 mm (0.7 in)
1976	12.2 mm (0.5 in)
1977	5.3 mm (0.21 in)

Wettest five days (Rx5day)

The wettest five days of the year at Sand Draw, 1948 to 1977. The record is 106.1 mm (4.2 in) in 1970, marked on the chart; the median year is 39.9 mm (1.6 in).

Wettest five days (Rx5day) at Sand Draw by year
Year	Wettest five days (Rx5day)
1948	16.0 mm (0.6 in)
1949	32.8 mm (1.3 in)
1950	34.0 mm (1.3 in)
1951	33.5 mm (1.3 in)
1952	56.4 mm (2.2 in)
1953	51.1 mm (2.0 in)
1954	19.8 mm (0.8 in)
1955	48.0 mm (1.9 in)
1956	44.2 mm (1.7 in)
1957	88.6 mm (3.5 in)
1958	46.2 mm (1.8 in)
1959	40.1 mm (1.6 in)
1960	25.0 mm (1.0 in)
1961	39.6 mm (1.6 in)
1962	48.8 mm (1.9 in)
1963	49.5 mm (1.9 in)
1964	53.4 mm (2.1 in)
1965	31.8 mm (1.3 in)
1966	29.2 mm (1.1 in)
1967	76.9 mm (3.0 in)
1968	28.4 mm (1.1 in)
1969	55.1 mm (2.2 in)
1970	106.1 mm (4.2 in)
1971	79.7 mm (3.1 in)
1972	35.6 mm (1.4 in)
1973	47.0 mm (1.9 in)
1974	27.9 mm (1.1 in)
1975	22.4 mm (0.9 in)
1976	22.4 mm (0.9 in)
1977	5.3 mm (0.21 in)

Longest dry spell (CDD)

The longest dry spell of the year at Sand Draw, 1948 to 1977. The record is 76 days in 1962, marked on the chart; the median year is 42 days.

Longest dry spell (CDD) at Sand Draw by year
Year	Longest dry spell (CDD)
1948	33 days
1949	28 days
1950	52 days
1951	43 days
1952	38 days
1953	47 days
1954	32 days
1955	42 days
1956	42 days
1957	58 days
1958	43 days
1959	36 days
1960	31 days
1961	34 days
1962	76 days
1963	30 days
1964	44 days
1965	55 days
1966	42 days
1967	53 days
1968	23 days
1969	33 days
1970	45 days
1971	38 days
1972	63 days
1973	44 days
1974	72 days
1975	41 days
1976	25 days
1977	27 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Frost Dates and Growing Season

24 years with a frost

Across 24 years with a frost, the median last spring frost at Sand Draw falls on 23 May and the median first autumn frost on 18 September, which leaves a median of 120 days between them.

Frost dates and growing season at Sand Draw
Measure	Median, all years	Earliest period	Recent period (1949 to 1973)	Recent against earliest	Fitted trend
Last spring frost	23 May	n/a	23 May	n/a	n/a
First autumn frost	18 September	n/a	18 September	n/a	n/a
Growing days	120 days	n/a	120 days	n/a	n/a

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Download the Data

Data for Sand Draw standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Sand Draw threshold days by year: CSV or JSON. Field meanings are on the data page.

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)) Data as of 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).