Report Generated 07/01/2022 at 0719

Page Description

2 - Mean Daily Water Temperature, Release Flow Rates and Air Temperatures with Monthly Averages

3 - Sacramento River Mean Daily Water Temperature Plot

4 - Trinity River Mean Daily Water Temperature Plot

5 - Shasta Lake Isothermobaths & Cold Water Pool Statistics

14 - Trinity Lake Isothermobaths & Cold Water Pool Statistics

23 - Whiskeytown Lake Isothermobaths & Cold Water Pool Statistics

x - TCD Configuration (External Link)

All Data in this Report is Preliminary and Subject to Change

Northern CVP Water Temperature Report

June - 2022
Shasta 

Generation 

Spring 

Creek P.P.

Keswick 

Total BSF RDB

May 3172 75 3504 65.5 67.7

06/01 52.7 50.0 53.8 54.0 55.4 56.6 60.3 62.8 64.0 56.2 53.0 58.4 60.7 3281 358 3764 74.0 70.8 72.8

06/02 54.1 50.5 53.6 53.4 54.8 56.1 60.1 63.3 ? 65.2 57.0 53.4 59.4 61.7 2995 356 3773 76.5 73.5 76.5

06/03 52.4 49.8 53.6 53.9 54.8 55.7 59.4 62.4 64.5 56.5 53.5 58.6 60.6 3123 358 3796 73.0 70.0 73.6

06/04 51.4 ! - 53.7 54.1 54.8 55.4 58.0 60.5 62.4 56.0 53.0 56.5 58.4 3314 290 3959 67.0 64.9 65.7

06/05 51.5 ! - 53.7 52.7 54.0 54.9 57.4 58.9 ? 60.5 56.6 53.1 56.9 57.3 3468 374 3954 66.0 63.2 65.8

06/06 51.6 49.5 53.7 52.6 54.0 55.1 58.4 60.7 61.6 57.6 52.7 58.6 59.4 3594 362 4017 72.5 70.7 71.6

06/07 51.6 49.3 53.9 52.2 53.6 54.8 58.8 61.9 63.4 57.7 53.1 58.7 60.7 3171 355 3989 77.0 71.9 74.4

06/08 51.9 ? 50.0 53.9 52.3 53.7 55.0 59.1 62.3 64.1 58.3 53.7 60.7 62.7 3205 363 3959 80.5 75.6 75.4

06/09 50.2 49.0 53.9 52.3 53.8 55.1 59.4 62.8 ? 64.7 58.0 53.9 60.4 63.2 3235 360 3945 83.5 79.4 83.1

06/10 51.6 49.1 54.1 52.5 54.3 55.7 59.9 63.2 ? 65.3 58.9 54.5 61.9 64.6 3714 355 3949 84.5 81.3 85.3

06/11 52.1 49.5 54.3 52.4 54.0 55.7 60.6 64.3 ? 66.0 58.7 54.9 62.7 65.0 3474 385 3947 83.5 81.3 82.8

06/12 51.0 49.8 55.5 53.0 54.3 55.3 59.2 63.1 65.7 58.1 ? 55.4 61.6 64.4 3257 366 3968 72.5 70.7 74.0

06/13 51.9 48.1 55.0 53.6 54.6 55.6 58.9 61.0 ? 62.5 57.2 55.6 59.6 61.0 2402 240 4032 69.5 67.3 68.7

06/14 50.2 ! - 54.1 53.5 54.9 56.0 59.3 61.5 ? 62.8 57.6 55.5 60.4 62.3 4076 335 3963 76.0 72.0 73.7

06/15 49.9 48.8 55.3 51.9 53.9 55.5 59.7 62.4 63.9 57.9 ? 54.7 61.0 63.8 3534 435 3948 80.0 75.4 78.3

06/16 50.2 49.7 54.5 52.0 53.5 54.6 59.1 62.3 ? 64.5 57.7 54.4 59.9 62.1 3650 399 4071 76.0 73.5 75.4

06/17 49.7 48.4 55.6 51.8 53.0 53.8 57.5 60.4 ? 62.4 56.6 54.7 58.2 60.8 2867 359 4049 66.0 63.1 62.4

06/18 49.6 48.3 54.5 51.9 53.3 54.3 57.4 59.8 61.7 56.9 54.8 58.6 60.7 2752 363 4034 65.5 64.3 65.6

06/19 50.2 48.8 55.5 51.7 53.3 54.5 58.3 61.0 62.6 56.7 54.7 59.4 61.8 3373 290 3963 72.5 69.6 71.8

06/20 50.6 48.9 55.1 51.7 53.2 54.5 58.5 61.1 63.0 56.5 54.6 60.7 63.8 3812 76 3883 80.0 75.5 77.5

06/21 50.5 49.7 54.9 52.0 53.7 55.1 59.0 61.8 ? 63.6 56.6 54.8 61.0 64.8 3736 76 3849 88.5 82.1 84.8

06/22 49.5 48.8 54.8 52.2 53.9 55.5 59.6 62.8 64.9 57.0 54.5 62.0 65.8 2544 76 4255 87.0 80.6 84.8

06/23 50.6 49.1 54.6 52.4 54.0 55.5 59.8 63.3 65.7 57.8 54.7 62.5 66.8 4366 99 4259 84.5 80.2 81.4

06/24 49.7 49.7 55.7 51.8 53.7 55.4 60.0 63.5 65.9 58.5 55.4 62.9 67.2 3687 275 4239 85.5 81.6 82.5

06/25 49.2 48.7 54.9 52.3 53.7 55.1 59.2 62.9 65.8 57.3 55.8 63.4 67.8 3671 357 4320 86.5 82.5 83.3

06/26 49.9 ? 49.6 56.0 52.0 53.8 55.3 59.6 62.9 65.3 57.5 56.0 63.5 68.1 3727 355 4298 85.0 81.0 81.4

06/27 49.9 49.0 54.9 51.9 53.6 55.0 59.2 62.7 ? 65.4 57.6 56.0 63.8 68.4 3568 356 4510 84.5 79.8 80.6

06/28 49.9 48.7 55.6 51.8 53.4 54.8 58.9 62.3 64.9 58.6 55.9 63.3 67.5 4235 76 4508 84.0 80.1 80.5

06/29 49.7 48.4 55.0 51.6 53.3 54.6 58.5 61.8 64.5 58.9 56.0 62.9 67.2 4282 76 4463 82.0 77.5 78.5

06/30 49.7 48.5 55.3 51.4 53.1 54.3 58.3 61.5 64.0 58.7 56.2 63.3 67.6 3329 433 4488 78.0 74.1 74.1

-

Jun 3448 299 4072 74.4 76.2

103442 8958 122152

Legend Notes 205173 17768 242284

? = 1-9 hours of data missing (Average includes estimations) 1 Temperatures are weighted averages based on individual penstock flow and temperature

! = 10 or more hours of data missing (Average not calculated) Highlighted cells in the TCD column indicate a TCD change was made on that day

# = Station out of service 2 Current Sacramento River control point (see page 4 for more details)

↑ = Record high air temperature

↓ = Record low air temperature

 = Monthly Averages

Total AF

61.9 53.9

RDB

64.0 57.5

LWS

54.6 60.7

DGC

53.8

Mean Daily Air 

Temperatures (°F)

RDD

68.5

Total CFS

63.5 78.1

Mean Daily 

Release (CFS)

NFH

55.3

Mean Daily Water Temperatures (°F)

51.0

BND IGO

52.4

BSF

62.0

52.6 54.5 55.3 56.2 58.8 60.8

D

A

T

E

53.5 51.7

SAC CCR 2 TCD1 SHD SPP1 KWK

50.8 49.2 54.6 53.9 55.2 59.1

2
Code Body of Water Location1 CDEC Link River Point Temp. (°F) Begin Date End Date

TCD N/A Shasta Power Plant N/A Sacramento SAC 55 06/15/2021 05/02/2022

SHD Sacramento River 0.3 miles downstream of Shasta Power Plant Click Here Sacramento SAC 58 05/02/2022 06/07/2022

SPP N/A Spring Creek Power Plant N/A Sacramento SAC 54.5 06/07/2022 TBD

KWK Sacramento River 0.8 miles downstream of Keswick Dam Click Here

SAC Sacramento River 4.8 miles downstream of Keswick Dam Click Here

CCR Sacramento River 9.7 miles downstream of Keswick Dam Click Here

BSF Sacramento River 25 miles downstream of Keswick Dam Click Here

JLF Sacramento River 34 miles downstream of Keswick Dam Click Here

BND Sacramento River 41 miles downstream of Keswick Dam Click Here Notes

RDB Sacramento River 58 miles downstream of Keswick Dam Click Here

IGO Clear Creek 7.3 miles downstream of Whiskeytown Dam Click Here 1 Distances are approximate

Station Details Water Right Temperature Control Points

45

50

55

60

65

70

75

80

85

90

95

100

105

110

49

50

51

52

53

54

55

56

57

58

59

60

61

62

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Air Temperature (°F)

Water Temperature (°F)

Sacramento River Mean Daily Temperatures

Redding Air (Observed and Forecasted) TCD KWK SAC CCR BSF

3
Code Body of Water Location1 CDEC Link River Point Temp. (°F) Begin Date End Date

LWS Trinity River 1.1 miles downstream of Lewiston Dam Click Here Trinity DGC 56 Sep-15 Oct-01

DGC Trinity River 19 miles downstream of Lewiston Dam Click Here Trinity NFH 56 Oct-01 Dec-31

NFH Trinity River 38 miles downstream of Lewiston Dam Click Here

 Notes

1 Distances are approximate

Station Details Water Right Temperature Control Points

25

30

35

40

45

50

55

60

65

70

75

80

85

90

95

100

105

110

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Air Temperature (°F)

Water Temperature (°F)

Trinity River Mean Daily Temperatures

Redding Air (Observed and Forecasted) LWS DGC NFH

4
Updated 06/29/2022 at 1320

Latest Profile Date: 06/29/2022

Page Description

6 - Shasta Lake Isothermobaths Plot

7 - Shasta Lake Cold Water Pool Volume ≤52°F

8 - Shasta Lake Cold Water Pool Volume ≤50°F

9 - Shasta Lake Cold Water Pool Volume ≤48°F

10 - Shasta Lake Cold Water Pool Volume ≤52°F - Percent Exceedances

11 - Shasta Lake Cold Water Pool Volume ≤50°F - Percent Exceedances

12 - Shasta Lake Cold Water Pool Volume ≤48°F - Percent Exceedances

13 - Shasta Lake Cold Water Pool Comparison by Year

Shasta Lake Isothermobaths & Cold Water Pool Statistics

2022

5
6

0

500

1000

1500

2000

2500

3000

3500

4000

4500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Shasta Lake Isothermobaths Plot - 2022

<46 46-48 48-50 50-52 52-54 54-56 56-58 58-60

60-62 62-64 64-66 66-68 68-70 >70 Storage
7

0

500

1000

1500

2000

2500

3000

3500

4000

4500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Shasta Lake Cold Water Pool Volume ≤52°F

Avg (1998-2021) 2014 2015 2016 2019 2021 2022
8

0

500

1000

1500

2000

2500

3000

3500

4000

4500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Shasta Lake Cold Water Pool Volume ≤50°F

Avg (1998-2021) 2014 2015 2016 2019 2021 2022
9

0

500

1000

1500

2000

2500

3000

3500

4000

4500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Shasta Lake Cold Water Pool Volume ≤48°F

Avg (1998-2021) 2014 2015 2016 2019 2021 2022
10

0

500

1000

1500

2000

2500

3000

3500

4000

4500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Shasta Lake Cold Water Pool Volume ≤52°F - Percent Exceedances (1998-2021)

2022 95 90 75 50 25 10 5
11

0

500

1000

1500

2000

2500

3000

3500

4000

4500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Shasta Lake Cold Water Pool Volume ≤50°F - Percent Exceedances (1998-2021)

2022 95 90 75 50 25 10 5
12

0

500

1000

1500

2000

2500

3000

3500

4000

4500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Shasta Lake Cold Water Pool Volume ≤48°F - Percent Exceedances (1998-2021)

2022 95 90 75 50 25 10 5
Jun-29

2022 ≤52° ≤50° ≤48° Abs. Avg. ≤52° ≤50° ≤48° Abs. Avg.

1998 1104 671 148 641 144 99 27 90

1999 1231 1066 888 1062 160 158 161 160

2000 796 510 24 443 104 76 4 61

2001 775 709 572 685 101 105 104 103

2002 1073 933 573 860 140 138 104 127

2003 836 302 -133 424 109 45 -24 59

2004 638 477 299 471 83 71 54 69

2005 769 524 43 445 100 78 8 62

2006 1238 968 514 907 161 144 93 133

2007 792 722 521 678 103 107 94 102

2008 353 343 316 337 46 51 57 51

2009 511 414 358 428 67 61 65 64

2010 1403 1015 510 976 183 151 92 142

2011 1527 1225 926 1226 199 182 168 183

2012 1519 1327 691 1179 198 197 125 173

2013 759 659 435 618 99 98 79 92

2014 103 57 -60 74 13 9 -11 11

2015 194 96 -369 220 25 14 -67 35

2016 1398 1167 248 938 182 173 45 133

2017 1374 994 541 970 179 147 98 141

2018 1144 860 137 714 149 128 25 100

2019 1510 1206 684 1133 196 179 124 166

2020 803 555 56 471 104 82 10 66

2021 137 107 -16 87 18 16 -3 12

2022 0 0 0 0 0 0 0 0

∆ TAF % ∆

Shasta Lake Cold Water Pool Comparison by Year (for Specified Date)

Historic - Current (Historic - Current) / Current

13
Updated 06/09/2022 at 1418

Latest Profile Date: 06/09/2022

Page Description

15 - Trinity Lake Isothermobaths Plot

16 - Trinity Lake Cold Water Pool Volume ≤52°F

17 - Trinity Lake Cold Water Pool Volume ≤50°F

18 - Trinity Lake Cold Water Pool Volume ≤48°F

19 - Trinity Lake Cold Water Pool Volume ≤52°F - Percent Exceedances

20 - Trinity Lake Cold Water Pool Volume ≤50°F - Percent Exceedances

21 - Trinity Lake Cold Water Pool Volume ≤48°F - Percent Exceedances

22 - Trinity Lake Cold Water Pool Comparison by Year

Trinity Lake Isothermobaths & Cold Water Pool Statistics

2022

14
15

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Trinity Lake Isothermobaths Plot - 2022

<46 46-48 48-50 50-52 52-54 54-56 56-58 58-60

60-62 62-64 64-66 66-68 68-70 >70 Storage
16

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Trinity Lake Cold Water Pool Volume ≤52°F

Avg (2000-2021) 2014 2015 2016 2019 2021 2022
17

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Trinity Lake Cold Water Pool Volume ≤50°F

Avg (2000-2021) 2014 2015 2016 2019 2021 2022
18

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Trinity Lake Cold Water Pool Volume ≤48°F

Avg (2000-2021) 2014 2015 2016 2019 2021 2022
19

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Trinity Lake Cold Water Pool Volume ≤52°F - Percent Exceedances (2000-2021)

2022 95 90 75 50 25 10 5
20

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Trinity Lake Cold Water Pool Volume ≤50°F - Percent Exceedances (2000-2021)

2022 95 90 75 50 25 10 5
21

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Trinity Lake Cold Water Pool Volume ≤48°F - Percent Exceedances (2000-2021)

2022 95 90 75 50 25 10 5
Jun-09

2022 ≤52° ≤50° ≤48° Abs. Avg. ≤52° ≤50° ≤48° Abs. Avg.

2000 1008 911 824 914 264 272 326 288

2001 910 816 749 825 239 243 297 259

2002 838 798 748 795 220 238 296 251

2003 1263 1012 846 1041 331 302 335 323

2004 1008 907 752 889 264 271 298 278

2005 1005 820 531 785 263 245 210 239

2006 1455 1363 1184 1334 382 407 469 419

2007 841 776 763 793 221 231 302 251

2008 624 532 402 519 163 159 159 160

2009 405 315 235 318 106 94 93 98

2010 741 640 455 612 194 191 180 188

2011 1216 1159 1047 1141 319 346 415 360

2012 1227 1202 1105 1178 322 359 438 373

2013 781 737 636 718 205 220 252 226

2014 276 282 296 285 72 84 117 91

2015 172 138 130 147 45 41 52 46

2016 447 375 348 390 117 112 138 122

2017 1100 971 875 982 288 290 347 308

2018 897 874 808 860 235 261 320 272

2019 1309 1253 1122 1228 343 374 444 387

2020 844 772 646 754 221 230 256 236

2021 318 314 292 308 83 94 116 98

2022 0 0 0 0 0 0 0 0

Trinity Cold Water Pool Comparison by Year (for Specified Date)

∆ TAF % ∆

Historic - Current (Historic - Current) / Current

22
Updated 06/07/2022 at 1429

Latest Profile Date: 06/07/2022

Page Description

24 - Whiskeytown Lake Isothermobaths Plot

25 - Whiskeytown Lake Cold Water Pool Volume ≤60°F

26 - Whiskeytown Lake Cold Water Pool Volume ≤58°F

27 - Whiskeytown Lake Cold Water Pool Volume ≤56°F

28 - Whiskeytown Lake Cold Water Pool Volume ≤60°F - Percent Exceedances

29 - Whiskeytown Lake Cold Water Pool Volume ≤58°F - Percent Exceedances

30 - Whiskeytown Lake Cold Water Pool Volume ≤56°F - Percent Exceedances

31 - Whiskeytown Lake Cold Water Pool Comparison by Year

Whiskeytown Lake Isothermobaths & Cold Water Pool Statistics

2022

23
24

0

50

100

150

200

250

300

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Whiskeytown Lake Isothermobaths Plot - 2022

<46 46-48 48-50 50-52 52-54 54-56 56-58 58-60

60-62 62-64 64-66 66-68 68-70 >70 Storage
25

0

50

100

150

200

250

300

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Whiskeytown Lake Cold Water Pool Volume ≤60°F

Avg (2000-2021) 2014 2015 2016 2019 2021 2022
26

0

50

100

150

200

250

300

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Whiskeytown Lake Cold Water Pool Volume ≤58°F

Avg (2000-2021) 2014 2015 2016 2019 2021 2022
27

0

50

100

150

200

250

300

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Whiskeytown Lake Cold Water Pool Volume ≤56°F

Avg (2000-2021) 2014 2015 2016 2019 2021 2022
28

0

50

100

150

200

250

300

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Whiskeytown Lake Cold Water Pool Volume ≤60°F - Percent Exceedances (2000-2021)

2022 95 90 75 50 25 10 5
29

0

50

100

150

200

250

300

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Whiskeytown Lake Cold Water Pool Volume ≤58°F - Percent Exceedances (2000-2021)

2022 95 90 75 50 25 10 5
30

0

50

100

150

200

250

300

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Whiskeytown Lake Cold Water Pool Volume ≤56°F - Percent Exceedances (2000-2021)

2022 95 90 75 50 25 10 5
Jun-07

2022 ≤60° ≤58° ≤56° Abs. Avg. ≤60° ≤58° ≤56° Abs. Avg.

2000 62.4 25.2 25.7 37.8 53.3 24.0 30.3 35.9

2001 17.1 20.2 25.7 21.0 14.6 19.3 30.3 21.4

2002 31.7 28.5 35.5 31.9 27.1 27.2 41.9 32.0

2003 53.5 53.3 54.5 53.8 45.7 50.8 64.4 53.6

2004 26.7 33.9 46.7 35.8 22.8 32.4 55.2 36.8

2005 6.8 15.6 22.0 14.8 5.8 14.9 26.0 15.6

2006 47.0 55.5 66.9 56.5 40.1 52.9 79.0 57.3

2007 19.6 29.6 38.1 29.1 16.7 28.2 45.0 30.0

2008 22.6 30.1 32.5 28.4 19.3 28.7 38.4 28.8

2009 20.9 13.5 12.4 15.6 17.8 12.8 14.7 15.1

2010 89.8 95.1 30.2 71.7 76.7 90.7 35.7 67.7

2011 119.7 58.7 17.4 65.3 102.2 56.0 20.6 59.6

2012 19.5 25.1 31.8 25.5 16.6 23.9 37.6 26.1

2013 25.2 29.0 44.2 32.8 21.5 27.7 52.2 33.8

2014 8.8 8.0 8.5 8.5 7.5 7.6 10.1 8.4

2015 27.9 23.1 17.8 22.9 23.8 22.0 21.0 22.3

2016 6.2 8.0 13.0 9.1 5.3 7.7 15.4 9.5

2017 46.6 50.8 59.9 52.4 39.7 48.4 70.8 53.0

2018 20.5 27.5 38.7 28.9 17.5 26.2 45.7 29.8

2019 23.3 22.6 21.4 22.4 19.8 21.6 25.3 22.2

2020 4.5 7.0 17.9 9.8 3.8 6.6 21.1 10.5

2021 -4.8 -0.4 12.3 5.8 -4.1 -0.4 14.5 6.3

2022 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

∆ TAF % ∆

Whiskeytown Cold Water Pool Comparison by Year (for Specified Date)

Historic - Current (Historic - Current) / Current

31