Statewide Rankings

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Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Colorado

Precipitation Rankings, July 1951

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Record Driest
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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
July 1951 1-Month	1.48" (37.59mm)	2.10" (53.34mm)	-0.62" (-15.75mm)	22nd Driest	Driest since: 1948	1900
	1.48" (37.59mm)	2.10" (53.34mm)	-0.62" (-15.75mm)	107th Wettest	Wettest since: 1950	1998
	Ties: 1942, 1943, 2008
Jun–Jul 1951 2-Month	3.35" (85.09mm)	3.65" (92.71mm)	-0.30" (-7.62mm)	49th Driest	Driest since: 1946	1924
Jun–Jul 1951 2-Month	3.35" (85.09mm)	3.65" (92.71mm)	-0.30" (-7.62mm)	80th Wettest	Wettest since: 1950	1965
May–Jul 1951 3-Month	5.30" (134.62mm)	5.66" (143.76mm)	-0.36" (-9.14mm)	58th Driest	Driest since: 1950	2002
	5.30" (134.62mm)	5.66" (143.76mm)	-0.36" (-9.14mm)	71st Wettest	Wettest since: 1949	2015
	Ties: 1919
Apr–Jul 1951 4-Month	7.19" (182.63mm)	7.50" (190.50mm)	-0.31" (-7.87mm)	57th Driest	Driest since: 1950	2002
Apr–Jul 1951 4-Month	7.19" (182.63mm)	7.50" (190.50mm)	-0.31" (-7.87mm)	72nd Wettest	Wettest since: 1949	1957
Mar–Jul 1951 5-Month	7.92" (201.17mm)	9.02" (229.11mm)	-1.10" (-27.94mm)	42nd Driest	Driest since: 1950	2002
Mar–Jul 1951 5-Month	7.92" (201.17mm)	9.02" (229.11mm)	-1.10" (-27.94mm)	87th Wettest	Wettest since: 1949	1957
Feb–Jul 1951 6-Month	8.89" (225.81mm)	10.11" (256.79mm)	-1.22" (-30.98mm)	34th Driest	Driest since: 1950	2002
	8.89" (225.81mm)	10.11" (256.79mm)	-1.22" (-30.98mm)	95th Wettest	Wettest since: 1949	1995
	Ties: 1908, 2000
Jan–Jul 1951 7-Month	10.34" (262.64mm)	11.17" (283.72mm)	-0.83" (-21.08mm)	43rd Driest	Driest since: 1950	2002
	10.34" (262.64mm)	11.17" (283.72mm)	-0.83" (-21.08mm)	86th Wettest	Wettest since: 1949	1957
	Ties: 1952
Dec 1950–Jul 1951 8-Month	11.25" (285.75mm)	12.24" (310.90mm)	-0.99" (-25.15mm)	43rd Driest	Driest since: 1950	2002
Dec 1950–Jul 1951 8-Month	11.25" (285.75mm)	12.24" (310.90mm)	-0.99" (-25.15mm)	85th Wettest	Wettest since: 1949	1957
Nov 1950–Jul 1951 9-Month	12.17" (309.12mm)	13.31" (338.07mm)	-1.14" (-28.95mm)	44th Driest	Driest since: 1950	2002
Nov 1950–Jul 1951 9-Month	12.17" (309.12mm)	13.31" (338.07mm)	-1.14" (-28.95mm)	84th Wettest	Wettest since: 1949	1957
Oct 1950–Jul 1951 10-Month	12.44" (315.98mm)	14.64" (371.86mm)	-2.20" (-55.88mm)	29th Driest	Driest since: 1950	2002
Oct 1950–Jul 1951 10-Month	12.44" (315.98mm)	14.64" (371.86mm)	-2.20" (-55.88mm)	99th Wettest	Wettest since: 1949	1995
Sep 1950–Jul 1951 11-Month	14.29" (362.97mm)	16.07" (408.18mm)	-1.78" (-45.21mm)	35th Driest	Driest since: 1950	2002
Sep 1950–Jul 1951 11-Month	14.29" (362.97mm)	16.07" (408.18mm)	-1.78" (-45.21mm)	93rd Wettest	Wettest since: 1949	1995
Aug 1950–Jul 1951 12-Month	15.47" (392.94mm)	18.08" (459.23mm)	-2.61" (-66.29mm)	23rd Driest	Driest since: 1950	2002
Aug 1950–Jul 1951 12-Month	15.47" (392.94mm)	18.08" (459.23mm)	-2.61" (-66.29mm)	105th Wettest	Wettest since: 1949	1995
Feb 1950–Jul 1951 18-Month	23.28" (591.31mm)	28.21" (716.53mm)	-4.93" (-125.22mm)	9th Driest	Driest since: 1940	2002, 2013
Feb 1950–Jul 1951 18-Month	23.28" (591.31mm)	28.21" (716.53mm)	-4.93" (-125.22mm)	119th Wettest	Wettest since: 1950	1942
Aug 1949–Jul 1951 24-Month	29.61" (752.09mm)	36.18" (918.97mm)	-6.57" (-166.88mm)	9th Driest	Driest since: 1902	1902
	29.61" (752.09mm)	36.18" (918.97mm)	-6.57" (-166.88mm)	118th Wettest	Wettest since: 1950	1942
	Ties: 1954
Aug 1948–Jul 1951 36-Month	49.88" (1,266.95mm)	54.23" (1,377.44mm)	-4.35" (-110.49mm)	28th Driest	Driest since: 1937	1956
Aug 1948–Jul 1951 36-Month	49.88" (1,266.95mm)	54.23" (1,377.44mm)	-4.35" (-110.49mm)	98th Wettest	Wettest since: 1950	1943
Aug 1947–Jul 1951 48-Month	70.29" (1,785.37mm)	72.25" (1,835.15mm)	-1.96" (-49.78mm)	47th Driest	Driest since: 1940	1956
Aug 1947–Jul 1951 48-Month	70.29" (1,785.37mm)	72.25" (1,835.15mm)	-1.96" (-49.78mm)	78th Wettest	Wettest since: 1950	1944
Aug 1946–Jul 1951 60-Month	91.41" (2,321.81mm)	90.27" (2,292.86mm)	1.14" (28.95mm)	73rd Driest	Driest since: 1941	1954
Aug 1946–Jul 1951 60-Month	91.41" (2,321.81mm)	90.27" (2,292.86mm)	1.14" (28.95mm)	51st Wettest	Wettest since: 1950	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings