Storage now, against this reservoir's own record

4.31 Mm³
Stored, August 2026
50th
Percentile among 39 Augs on record
+1.5%
Against the Aug 1991–2020 average
-4.5%
Change over the 12 months to 2026-08

Storage in August 2026 was around the middle of the Aug record, ranked against 39 other Augs held for this reservoir.

Storage, 1987–2026

Monthly mean storage
466 monthly values, 1987 to 2026
Monthly mean storageMonthly mean storage: Lake Maloya Nr Raton NM in Mm³, from 1987.75 to 2026.5833333333333.024Mm³1987.751992.66666666666671997.58333333333332002.52007.41666666666672012.33333333333332017.33333333333332022.25Year

Monthly means of the publisher's daily record. Volume, not percentage of capacity: without a capacity whose definition is stated, fullness cannot be computed.

View the data behind this chart
Underlying data
PeriodLake Maloya Nr Raton NM (Mm³)
October 19874.27
November 19874.25
December 19874.32
January 19884.36
February 19884.40
March 19884.53
April 19884.59
May 19884.62
June 19884.59
July 19884.55
August 19884.48
September 19884.42
October 19884.39
November 19884.35
December 19884.36
January 19894.35
February 19894.28
March 19894.38
April 19894.53
May 19894.49
June 19894.47
July 19894.31
August 19893.96
September 19893.74
October 19893.70
November 19893.67
December 19893.55
January 19903.47
February 19903.44
March 19903.65
April 19904.06
May 19904.41
June 19903.87
July 19903.50
August 19903.42
September 19903.03
October 19902.89
November 19902.87
December 19902.83
January 19912.76
February 19912.74
March 19912.77
April 19913.03
May 19912.97
June 19912.94
July 19912.90
August 19912.90
September 19912.87
October 19912.82
November 19912.82
December 19912.95
January 19923.05
February 19923.21
March 19923.81
April 19924.60
May 19923.99
June 19924.45
July 19924.57
August 19924.56
September 19924.50
October 19924.50
November 19924.52
December 19924.54
January 19934.51
February 19934.51
March 19934.57
April 19934.66
May 19934.65
June 19934.58
July 19934.50
August 19934.49
September 19934.53
October 19934.49
November 19934.56
December 19934.46
January 19944.42
February 19944.43
March 19944.57
April 19944.61
May 19944.60
June 19944.55
July 19944.29
August 19944.19
September 19944.10
October 19943.96
November 19943.92
December 19943.96
January 19953.97
February 19954.05
March 19954.20
April 19954.43
May 19954.64
June 19954.61
July 19954.60
August 19954.56
September 19954.55
October 19954.56
November 19954.56
December 19954.56
January 19964.56
February 19964.56
March 19964.57
April 19964.58
May 19964.48
June 19964.46
July 19964.37
August 19964.26
September 19964.26
October 19964.22
November 19964.20
December 19964.12
January 19974.10
February 19974.16
March 19974.47
April 19974.61
May 19974.60
June 19974.59
July 19974.45
August 19974.42
September 19974.43
October 19974.51
November 19974.52
December 19974.53
January 19984.57
February 19984.58
March 19984.61
April 19984.64
May 19984.62
June 19984.52
July 19984.34
August 19984.30
September 19984.15
October 19984.11
November 19984.17
December 19984.06
January 19994.02
February 19994.14
March 19994.32
April 19994.56
May 19994.61
June 19994.55
July 19994.42
August 19994.37
September 19994.30
October 19994.37
November 19994.47
December 19994.54
January 20004.56
February 20004.57
March 20004.58
April 20004.59
May 20004.55
June 20004.40
July 20004.22
August 20004.05
September 20003.98
October 20003.97
November 20004.10
December 20004.19
January 20014.16
February 20014.08
March 20014.24
April 20014.55
May 20014.48
June 20014.32
July 20014.16
August 20014.09
September 20014.04
October 20014.00
November 20014.01
December 20014.06
January 20024.07
February 20024.00
March 20024.00
April 20024.04
May 20024.04
June 20024.01
July 20023.96
August 20023.93
September 20023.92
October 20023.98
November 20024.00
December 20024.08
January 20034.06
February 20034.04
March 20034.24
April 20034.63
May 20034.54
June 20034.53
July 20034.38
August 20034.27
September 20034.30
October 20034.30
November 20034.29
December 20034.26
January 20044.21
February 20044.16
March 20044.19
April 20044.38
May 20044.51
June 20044.31
July 20044.46
August 20044.56
September 20044.47
October 20044.51
November 20044.56
December 20044.57
January 20054.57
February 20054.58
March 20054.59
April 20054.68
May 20054.63
June 20054.58
July 20054.56
August 20054.55
September 20054.55
October 20054.56
November 20054.54
December 20054.53
January 20064.52
February 20064.54
March 20064.55
April 20064.51
May 20064.47
June 20064.31
July 20064.20
August 20064.16
September 20064.22
October 20064.26
November 20064.29
December 20064.26
January 20074.34
February 20074.42
March 20074.59
April 20074.60
May 20074.58
June 20074.56
July 20074.54
August 20074.52
September 20074.49
October 20074.47
November 20074.43
December 20074.40
January 20084.38
February 20084.37
March 20084.47
April 20084.58
May 20084.57
June 20084.52
July 20084.45
August 20084.32
September 20084.22
October 20084.33
November 20084.51
December 20084.55
January 20094.55
February 20094.56
March 20094.56
April 20094.60
May 20094.56
June 20094.55
July 20094.51
August 20094.40
September 20094.30
October 20094.21
November 20094.29
December 20094.29
January 20104.23
February 20104.20
March 20104.40
April 20104.65
May 20104.58
June 20104.51
July 20104.43
August 20104.42
September 20104.31
October 20104.24
November 20104.18
December 20104.13
January 20114.10
February 20114.08
March 20114.10
April 20114.10
May 20114.08
June 20113.97
July 20113.87
August 20113.96
September 20113.98
October 20113.94
November 20113.97
December 20114.01
January 20124.08
February 20124.21
March 20124.45
April 20124.58
May 20124.54
June 20124.44
July 20124.17
August 20123.99
September 20123.89
October 20123.83
November 20123.79
December 20123.79
January 20133.78
February 20133.85
March 20133.93
April 20134.08
May 20134.12
June 20134.07
July 20133.99
August 20134.13
September 20134.13
October 20134.10
November 20134.02
December 20133.99
January 20143.92
February 20143.95
March 20144.01
April 20144.12
May 20144.23
June 20144.34
July 20144.28
August 20144.20
September 20144.12
October 20144.10
November 20144.08
December 20144.06
January 20154.05
February 20154.13
March 20154.41
April 20154.58
May 20154.63
June 20154.58
July 20154.56
August 20154.55
September 20154.49
October 20154.52
November 20154.55
December 20154.55
January 20164.55
February 20164.57
March 20164.58
April 20164.58
May 20164.59
June 20164.54
July 20164.50
August 20164.43
September 20164.40
October 20164.30
November 20164.22
January 20174.15
February 20174.19
March 20174.20
April 20174.52
May 20174.63
June 20174.56
July 20174.54
August 20174.57
September 20174.56
October 20174.57
November 20174.55
December 20174.50
January 20184.47
February 20184.52
March 20184.47
April 20184.41
May 20184.30
June 20184.22
July 20184.02
August 20183.90
September 20183.79
October 20183.66
November 20183.68
December 20183.74
January 20193.84
February 20193.94
March 20194.37
April 20194.58
May 20194.59
June 20194.56
July 20194.51
August 20194.39
September 20194.20
October 20194.04
November 20194.01
December 20194.06
January 20204.12
February 20204.15
March 20204.27
April 20204.29
May 20204.20
June 20204.13
July 20204.01
August 20203.90
September 20203.83
October 20203.78
November 20203.76
December 20203.81
January 20213.86
February 20213.88
March 20214.00
April 20214.31
May 20214.50
June 20214.53
July 20214.51
August 20214.50
September 20214.34
October 20214.20
November 20214.13
December 20214.13
January 20224.16
February 20224.23
March 20224.34
April 20224.53
May 20224.47
June 20224.44
July 20224.37
August 20224.29
September 20224.20
October 20224.11
November 20224.10
December 20224.10
January 20234.12
February 20234.16
March 20234.27
April 20234.35
May 20234.55
June 20234.56
July 20234.54
August 20234.41
September 20234.29
October 20234.27
November 20234.27
December 20234.33
January 20244.43
February 20244.52
March 20244.54
April 20244.57
May 20244.55
June 20244.54
July 20244.46
August 20244.26
September 20244.12
October 20244.13
November 20244.28
December 20244.48
January 20254.51
February 20254.53
March 20254.56
April 20254.57
May 20254.58
June 20254.56
July 20254.54
August 20254.51
September 20254.51
October 20254.52
November 20254.53
December 20254.51
January 20264.49
February 20264.49
March 20264.49
April 20264.49
May 20264.50
June 20264.49
July 20264.39
August 20264.31

The reservoir's year

Seasonal storage profile
Each calendar month's reference average, against the most recent year
Seasonal storage profileSeasonal storage profile: 1991–2020 average, Most recent 12 months in Mm³, from 1 to 12.024Mm³123456789101112Month1991–2020 average 1: 4.16 Mm³1991–2020 average 2: 4.18 Mm³1991–2020 average 3: 4.30 Mm³1991–2020 average 4: 4.45 Mm³1991–2020 average 5: 4.42 Mm³1991–2020 average 6: 4.38 Mm³1991–2020 average 7: 4.29 Mm³1991–2020 average 8: 4.24 Mm³1991–2020 average 9: 4.20 Mm³1991–2020 average 10: 4.17 Mm³1991–2020 average 11: 4.19 Mm³1991–2020 average 12: 4.19 Mm³Most recent 12 months 1: 4.49 Mm³Most recent 12 months 2: 4.49 Mm³Most recent 12 months 3: 4.49 Mm³Most recent 12 months 4: 4.49 Mm³Most recent 12 months 5: 4.50 Mm³Most recent 12 months 6: 4.49 Mm³Most recent 12 months 7: 4.39 Mm³Most recent 12 months 8: 4.31 Mm³Most recent 12 months 9: 4.51 Mm³Most recent 12 months 10: 4.52 Mm³Most recent 12 months 11: 4.53 Mm³Most recent 12 months 12: 4.51 Mm³
  • 1991–2020 average
  • Most recent 12 months

Twelve separate averages, one per calendar month. A January average describes Januaries only. Months are plotted 1–12.

View the data behind this chart
Underlying data
Period1991–2020 average (Mm³)Most recent 12 months (Mm³)
Jan4.164.49
Feb4.184.49
Mar4.304.49
Apr4.454.49
May4.424.50
Jun4.384.49
Jul4.294.39
Aug4.244.31
Sep4.204.51
Oct4.174.52
Nov4.194.53
Dec4.194.51

Rate and persistence

-0.02 Mm³
Mean drawdown per month over 12 months
0 of 24
Months in the last two years below the 20th percentile for their own month

Rates are computed only across an unbroken run of months, so a rate is never divided by a period in which some of the change was not observed. Percentile counts compare each month with the same calendar month in every other year held.

Location

Lake Maloya Nr Raton NM
Gauge location
Lake Maloya Nr Raton NMLake Maloya Nr Raton NM — 4.31 Mm³Lake Maloya Nr Raton NM — 4.31 Mm³

Where this comes from

466 monthly observations 19872026 Mm³
Spatially aggregatedHigh confidenceAugust 2026

Source: USGSNational Water Information System, 07199450. Licence: Open.

Method: Monthly mean of daily reservoir storage published by the USGS in acre-feet and converted to millions of cubic metres. Months with fewer than 20 days of record are not published rather than averaged from a partial month.

Reservoir storage is managed as well as observed: a drawdown may reflect an operating rule, flood-control rule curve or scheduled release rather than a shortage. Compare a month against the same month in other years, and do not read a fall as a supply signal without knowing the operating regime.

Retrieved 25 August 2026.

Monthly mean of daily reservoir storage published by the USGS in acre-feet and converted to millions of cubic metres. Months with fewer than 20 days of record are not published rather than averaged from a partial month.