California Water Service Group (CWT) seasonality heatmap
Returns across monthly, quarterly, and yearly periods. Cell color encodes signed magnitude; the scale auto-fits each table.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | +3.2% | +1.6% | +0.6% | -6.9% | +7.6% | +7.9% | +0.9% | — | — | — | — | — |
| 2025 | -0.1% | +1.2% | +6.6% | +4.5% | -6.1% | -3.7% | -0.0% | +3.9% | -2.2% | -3.3% | +2.9% | -4.5% |
| 2024 | -12.7% | +2.0% | +1.3% | +5.7% | +2.1% | -2.8% | +10.3% | +4.0% | -2.0% | -4.2% | -0.9% | -11.5% |
| 2023 | +0.9% | -6.0% | +1.7% | -3.6% | +2.0% | -9.3% | +2.7% | -4.8% | -5.8% | +2.9% | +4.4% | +2.6% |
| 2022 | -13.6% | -7.9% | +4.1% | -12.5% | +4.0% | +3.5% | +8.1% | -2.2% | -10.0% | +17.8% | +5.1% | -6.6% |
| 2021 | +1.1% | +1.0% | +2.5% | +4.3% | -2.9% | -2.3% | +12.9% | +1.8% | -7.3% | +3.3% | +3.9% | +14.0% |
| 2020 | +1.9% | -8.4% | +4.9% | -10.7% | +5.1% | +1.5% | -1.7% | -2.8% | -4.2% | +2.6% | +11.5% | +9.2% |
| 2019 | +3.9% | +5.5% | +4.3% | -7.2% | -1.9% | +2.9% | +5.5% | +6.1% | -6.2% | +5.7% | -7.8% | +0.3% |
| 2018 | -10.2% | -6.3% | -1.9% | +4.0% | +4.3% | -3.2% | +5.5% | +0.6% | +4.2% | -2.1% | +9.3% | +4.2% |
| 2017 | +1.8% | +7.1% | -2.4% | -0.4% | -2.5% | +6.2% | +5.7% | -3.3% | +1.9% | +10.1% | +9.0% | -0.5% |
| 2016 | +7.8% | -0.8% | +8.1% | +4.5% | +5.0% | +19.8% | -3.5% | -9.1% | +5.2% | -3.4% | +12.1% | -1.9% |
| 2015 | -0.3% | +4.3% | -3.6% | -2.6% | +0.8% | -4.4% | -5.8% | -3.4% | +7.2% | +1.1% | +1.5% | +3.3% |
| 2014 | +1.0% | +1.7% | +1.8% | -6.0% | -1.2% | +9.7% | -5.9% | +7.7% | -7.9% | +16.0% | -3.1% | -1.8% |
| 2013 | +6.3% | +3.7% | -0.8% | +0.7% | -0.8% | -1.1% | +11.7% | -7.8% | +1.8% | +7.3% | +5.6% | +0.9% |
| 2012 | +1.1% | +5.0% | -5.3% | -0.5% | -3.0% | +6.1% | +0.0% | -0.1% | +1.9% | -1.2% | -1.4% | +1.9% |
| 2011 | -2.1% | -2.5% | +5.4% | +1.4% | +1.2% | -1.1% | -2.2% | +4.0% | -6.2% | +4.8% | +0.0% | -0.9% |
| 2010 | -1.4% | -0.3% | +4.9% | +2.9% | -6.7% | -0.4% | -0.4% | -1.2% | +6.2% | +1.0% | +0.5% | +0.2% |
| 2009 | -6.3% | -9.2% | +6.6% | -6.7% | -10.1% | +5.8% | +2.8% | -0.9% | +4.6% | -6.1% | +0.8% | +0.7% |
| 2008 | -5.2% | +8.2% | +1.4% | +1.4% | -5.1% | -10.0% | +13.0% | +6.9% | -2.0% | -1.6% | +13.2% | +9.2% |
| 2007 | -1.6% | -2.3% | -0.7% | +1.4% | -3.5% | +0.8% | -1.3% | +5.4% | -0.6% | +15.4% | -11.4% | -5.3% |
| 2006 | +11.1% | +3.8% | +3.0% | -5.7% | -11.1% | -4.8% | +2.4% | +4.9% | -3.0% | +5.4% | +4.9% | -0.2% |
| 2005 | -13.8% | +6.3% | -2.4% | -0.4% | +9.5% | +4.0% | +10.6% | -3.5% | +3.7% | -13.3% | +0.2% | +7.5% |
| 2004 | +4.1% | +4.4% | -4.0% | +0.8% | +0.9% | -3.2% | -1.0% | +5.5% | +3.2% | +0.4% | +19.8% | +7.7% |
| 2003 | +3.0% | +5.6% | +1.3% | +7.2% | +3.1% | -0.3% | +0.4% | -9.9% | +2.5% | +7.1% | -4.4% | +4.7% |
| 2002 | -5.8% | +3.1% | +3.5% | -2.7% | -2.8% | +5.3% | -3.7% | +5.4% | +1.1% | -1.6% | +3.0% | -7.7% |
| 2001 | -11.3% | +2.4% | +18.0% | -8.8% | -4.2% | +3.6% | -5.4% | +8.5% | +3.8% | -5.5% | +5.0% | -2.8% |
| 2000 | -11.4% | +1.0% | -15.1% | +3.4% | +0.0% | +4.0% | -0.3% | +9.9% | +1.9% | +1.7% | +0.0% | +0.3% |
| 1999 | -15.9% | -6.0% | +0.0% | -5.4% | +13.4% | +0.5% | +7.2% | +7.7% | -8.3% | +6.8% | +9.1% | -4.1% |
| 1998 | +0.0% | +2.8% | -10.2% | +0.2% | -17.3% | +13.2% | -5.7% | -6.8% | +3.5% | +17.8% | -1.2% | +20.1% |
| 1997 | +1.9% | -0.7% | -7.1% | +12.2% | +5.5% | -2.9% | -1.7% | +7.9% | +6.5% | +1.3% | +8.1% | +10.3% |
| 1996 | +10.2% | -2.0% | +0.3% | +1.2% | -1.2% | +1.5% | -4.6% | +9.1% | +6.4% | -0.5% | +4.7% | +7.5% |
| 1995 | -1.7% | +3.5% | -6.8% | +8.4% | +0.3% | -1.3% | -2.4% | +2.4% | +6.1% | +2.6% | +0.0% | -1.3% |
| 1994 | -4.4% | -9.2% | +0.7% | +2.3% | +2.0% | +1.0% | -0.3% | -0.6% | -5.5% | -3.7% | -1.4% | +3.2% |
| 1993 | +7.5% | +0.7% | -0.7% | -1.0% | +3.9% | +0.7% | +3.7% | +10.7% | -6.7% | +7.2% | -2.3% | +2.4% |
| 1992 | -0.9% | +9.5% | -3.5% | +4.1% | +6.1% | -4.1% | +11.1% | -3.8% | -1.6% | +1.2% | +7.6% | -0.7% |
| 1991 | -5.9% | +3.4% | +13.7% | +1.0% | +4.3% | -10.0% | +6.6% | -7.6% | +7.2% | +3.8% | -2.8% | +1.0% |
| 1990 | — | — | — | -1.1% | +1.1% | -2.8% | +1.7% | +1.1% | +5.6% | -3.7% | +3.9% | +0.5% |
| Avg | -1.6% | +0.7% | +0.8% | -0.3% | +0.1% | +0.8% | +2.1% | +1.3% | +0.1% | +2.6% | +3.0% | +1.7% |
| Median | -0.2% | +1.6% | +1.0% | +0.7% | +0.8% | +0.5% | +0.2% | +1.5% | +1.9% | +1.5% | +3.0% | +0.6% |
| Last 5Y Avg | -4.5% | -1.8% | +2.9% | -2.6% | +1.9% | -0.9% | +6.8% | +0.5% | -5.5% | +3.3% | +3.1% | -1.2% |
| Std Dev (σ) | 6.9% | 5.0% | 6.1% | 5.4% | 5.9% | 6.1% | 5.7% | 5.8% | 5.2% | 6.9% | 6.1% | 6.2% |
| Consistency (μ/σ) | -0.23 | 0.14 | 0.14 | -0.05 | 0.01 | 0.13 | 0.37 | 0.22 | 0.03 | 0.38 | 0.49 | 0.28 |
| Win Rate (%) | 44% | 64% | 58% | 54% | 54% | 51% | 50% | 56% | 56% | 64% | 64% | 61% |
| Winning / Losing Months | ▲16▼20 | ▲23▼13 | ▲21▼15 | ▲20▼17 | ▲20▼17 | ▲19▼18 | ▲18▼18 | ▲20▼16 | ▲20▼16 | ▲23▼13 | ▲23▼13 | ▲22▼14 |
| Longest Win / Loss Streak | ▲3▼5 | ▲7▼3 | ▲8▼4 | ▲5▼2 | ▲6▼5 | ▲5▼3 | ▲4▼5 | ▲4▼3 | ▲6▼7 | ▲5▼2 | ▲4▼3 | ▲4▼2 |
| Best | +11.1%in January 2006 | +9.5%in February 1992 | +18.0%in March 2001 | +12.2%in April 1997 | +13.4%in May 1999 | +19.8%in June 2016 | +13.0%in July 2008 | +10.7%in August 1993 | +7.2%in September 2015 | +17.8%in October 1998 | +19.8%in November 2004 | +20.1%in December 1998 |
| Worst | -15.9%in January 1999 | -9.2%in February 1994 | -15.1%in March 2000 | -12.5%in April 2022 | -17.3%in May 1998 | -10.0%in June 1991 | -5.9%in July 2014 | -9.9%in August 2003 | -10.0%in September 2022 | -13.3%in October 2005 | -11.4%in November 2007 | -11.5%in December 2024 |
−17.3%+20.1%
2026
Jan+3.2%
Feb+1.6%
Mar+0.6%
Apr-6.9%
May+7.6%
Jun+7.9%
Jul+0.9%
Aug—
Sep—
Oct—
Nov—
Dec—
2025
Jan-0.1%
Feb+1.2%
Mar+6.6%
Apr+4.5%
May-6.1%
Jun-3.7%
Jul-0.0%
Aug+3.9%
Sep-2.2%
Oct-3.3%
Nov+2.9%
Dec-4.5%
2024
Jan-12.7%
Feb+2.0%
Mar+1.3%
Apr+5.7%
May+2.1%
Jun-2.8%
Jul+10.3%
Aug+4.0%
Sep-2.0%
Oct-4.2%
Nov-0.9%
Dec-11.5%
2023
Jan+0.9%
Feb-6.0%
Mar+1.7%
Apr-3.6%
May+2.0%
Jun-9.3%
Jul+2.7%
Aug-4.8%
Sep-5.8%
Oct+2.9%
Nov+4.4%
Dec+2.6%
2022
Jan-13.6%
Feb-7.9%
Mar+4.1%
Apr-12.5%
May+4.0%
Jun+3.5%
Jul+8.1%
Aug-2.2%
Sep-10.0%
Oct+17.8%
Nov+5.1%
Dec-6.6%
2021
Jan+1.1%
Feb+1.0%
Mar+2.5%
Apr+4.3%
May-2.9%
Jun-2.3%
Jul+12.9%
Aug+1.8%
Sep-7.3%
Oct+3.3%
Nov+3.9%
Dec+14.0%
2020
Jan+1.9%
Feb-8.4%
Mar+4.9%
Apr-10.7%
May+5.1%
Jun+1.5%
Jul-1.7%
Aug-2.8%
Sep-4.2%
Oct+2.6%
Nov+11.5%
Dec+9.2%
2019
Jan+3.9%
Feb+5.5%
Mar+4.3%
Apr-7.2%
May-1.9%
Jun+2.9%
Jul+5.5%
Aug+6.1%
Sep-6.2%
Oct+5.7%
Nov-7.8%
Dec+0.3%
2018
Jan-10.2%
Feb-6.3%
Mar-1.9%
Apr+4.0%
May+4.3%
Jun-3.2%
Jul+5.5%
Aug+0.6%
Sep+4.2%
Oct-2.1%
Nov+9.3%
Dec+4.2%
2017
Jan+1.8%
Feb+7.1%
Mar-2.4%
Apr-0.4%
May-2.5%
Jun+6.2%
Jul+5.7%
Aug-3.3%
Sep+1.9%
Oct+10.1%
Nov+9.0%
Dec-0.5%
2016
Jan+7.8%
Feb-0.8%
Mar+8.1%
Apr+4.5%
May+5.0%
Jun+19.8%
Jul-3.5%
Aug-9.1%
Sep+5.2%
Oct-3.4%
Nov+12.1%
Dec-1.9%
2015
Jan-0.3%
Feb+4.3%
Mar-3.6%
Apr-2.6%
May+0.8%
Jun-4.4%
Jul-5.8%
Aug-3.4%
Sep+7.2%
Oct+1.1%
Nov+1.5%
Dec+3.3%
2014
Jan+1.0%
Feb+1.7%
Mar+1.8%
Apr-6.0%
May-1.2%
Jun+9.7%
Jul-5.9%
Aug+7.7%
Sep-7.9%
Oct+16.0%
Nov-3.1%
Dec-1.8%
2013
Jan+6.3%
Feb+3.7%
Mar-0.8%
Apr+0.7%
May-0.8%
Jun-1.1%
Jul+11.7%
Aug-7.8%
Sep+1.8%
Oct+7.3%
Nov+5.6%
Dec+0.9%
2012
Jan+1.1%
Feb+5.0%
Mar-5.3%
Apr-0.5%
May-3.0%
Jun+6.1%
Jul+0.0%
Aug-0.1%
Sep+1.9%
Oct-1.2%
Nov-1.4%
Dec+1.9%
2011
Jan-2.1%
Feb-2.5%
Mar+5.4%
Apr+1.4%
May+1.2%
Jun-1.1%
Jul-2.2%
Aug+4.0%
Sep-6.2%
Oct+4.8%
Nov+0.0%
Dec-0.9%
2010
Jan-1.4%
Feb-0.3%
Mar+4.9%
Apr+2.9%
May-6.7%
Jun-0.4%
Jul-0.4%
Aug-1.2%
Sep+6.2%
Oct+1.0%
Nov+0.5%
Dec+0.2%
2009
Jan-6.3%
Feb-9.2%
Mar+6.6%
Apr-6.7%
May-10.1%
Jun+5.8%
Jul+2.8%
Aug-0.9%
Sep+4.6%
Oct-6.1%
Nov+0.8%
Dec+0.7%
2008
Jan-5.2%
Feb+8.2%
Mar+1.4%
Apr+1.4%
May-5.1%
Jun-10.0%
Jul+13.0%
Aug+6.9%
Sep-2.0%
Oct-1.6%
Nov+13.2%
Dec+9.2%
2007
Jan-1.6%
Feb-2.3%
Mar-0.7%
Apr+1.4%
May-3.5%
Jun+0.8%
Jul-1.3%
Aug+5.4%
Sep-0.6%
Oct+15.4%
Nov-11.4%
Dec-5.3%
2006
Jan+11.1%
Feb+3.8%
Mar+3.0%
Apr-5.7%
May-11.1%
Jun-4.8%
Jul+2.4%
Aug+4.9%
Sep-3.0%
Oct+5.4%
Nov+4.9%
Dec-0.2%
2005
Jan-13.8%
Feb+6.3%
Mar-2.4%
Apr-0.4%
May+9.5%
Jun+4.0%
Jul+10.6%
Aug-3.5%
Sep+3.7%
Oct-13.3%
Nov+0.2%
Dec+7.5%
2004
Jan+4.1%
Feb+4.4%
Mar-4.0%
Apr+0.8%
May+0.9%
Jun-3.2%
Jul-1.0%
Aug+5.5%
Sep+3.2%
Oct+0.4%
Nov+19.8%
Dec+7.7%
2003
Jan+3.0%
Feb+5.6%
Mar+1.3%
Apr+7.2%
May+3.1%
Jun-0.3%
Jul+0.4%
Aug-9.9%
Sep+2.5%
Oct+7.1%
Nov-4.4%
Dec+4.7%
2002
Jan-5.8%
Feb+3.1%
Mar+3.5%
Apr-2.7%
May-2.8%
Jun+5.3%
Jul-3.7%
Aug+5.4%
Sep+1.1%
Oct-1.6%
Nov+3.0%
Dec-7.7%
2001
Jan-11.3%
Feb+2.4%
Mar+18.0%
Apr-8.8%
May-4.2%
Jun+3.6%
Jul-5.4%
Aug+8.5%
Sep+3.8%
Oct-5.5%
Nov+5.0%
Dec-2.8%
2000
Jan-11.4%
Feb+1.0%
Mar-15.1%
Apr+3.4%
May+0.0%
Jun+4.0%
Jul-0.3%
Aug+9.9%
Sep+1.9%
Oct+1.7%
Nov+0.0%
Dec+0.3%
1999
Jan-15.9%
Feb-6.0%
Mar+0.0%
Apr-5.4%
May+13.4%
Jun+0.5%
Jul+7.2%
Aug+7.7%
Sep-8.3%
Oct+6.8%
Nov+9.1%
Dec-4.1%
1998
Jan+0.0%
Feb+2.8%
Mar-10.2%
Apr+0.2%
May-17.3%
Jun+13.2%
Jul-5.7%
Aug-6.8%
Sep+3.5%
Oct+17.8%
Nov-1.2%
Dec+20.1%
1997
Jan+1.9%
Feb-0.7%
Mar-7.1%
Apr+12.2%
May+5.5%
Jun-2.9%
Jul-1.7%
Aug+7.9%
Sep+6.5%
Oct+1.3%
Nov+8.1%
Dec+10.3%
1996
Jan+10.2%
Feb-2.0%
Mar+0.3%
Apr+1.2%
May-1.2%
Jun+1.5%
Jul-4.6%
Aug+9.1%
Sep+6.4%
Oct-0.5%
Nov+4.7%
Dec+7.5%
1995
Jan-1.7%
Feb+3.5%
Mar-6.8%
Apr+8.4%
May+0.3%
Jun-1.3%
Jul-2.4%
Aug+2.4%
Sep+6.1%
Oct+2.6%
Nov+0.0%
Dec-1.3%
1994
Jan-4.4%
Feb-9.2%
Mar+0.7%
Apr+2.3%
May+2.0%
Jun+1.0%
Jul-0.3%
Aug-0.6%
Sep-5.5%
Oct-3.7%
Nov-1.4%
Dec+3.2%
1993
Jan+7.5%
Feb+0.7%
Mar-0.7%
Apr-1.0%
May+3.9%
Jun+0.7%
Jul+3.7%
Aug+10.7%
Sep-6.7%
Oct+7.2%
Nov-2.3%
Dec+2.4%
1992
Jan-0.9%
Feb+9.5%
Mar-3.5%
Apr+4.1%
May+6.1%
Jun-4.1%
Jul+11.1%
Aug-3.8%
Sep-1.6%
Oct+1.2%
Nov+7.6%
Dec-0.7%
1991
Jan-5.9%
Feb+3.4%
Mar+13.7%
Apr+1.0%
May+4.3%
Jun-10.0%
Jul+6.6%
Aug-7.6%
Sep+7.2%
Oct+3.8%
Nov-2.8%
Dec+1.0%
1990
Jan—
Feb—
Mar—
Apr-1.1%
May+1.1%
Jun-2.8%
Jul+1.7%
Aug+1.1%
Sep+5.6%
Oct-3.7%
Nov+3.9%
Dec+0.5%
Avg
Jan-1.6%
Feb+0.7%
Mar+0.8%
Apr-0.3%
May+0.1%
Jun+0.8%
Jul+2.1%
Aug+1.3%
Sep+0.1%
Oct+2.6%
Nov+3.0%
Dec+1.7%
Median
Jan-0.2%
Feb+1.6%
Mar+1.0%
Apr+0.7%
May+0.8%
Jun+0.5%
Jul+0.2%
Aug+1.5%
Sep+1.9%
Oct+1.5%
Nov+3.0%
Dec+0.6%
Last 5Y Avg
Jan-4.5%
Feb-1.8%
Mar+2.9%
Apr-2.6%
May+1.9%
Jun-0.9%
Jul+6.8%
Aug+0.5%
Sep-5.5%
Oct+3.3%
Nov+3.1%
Dec-1.2%
Std Dev (σ)
Jan6.9%
Feb5.0%
Mar6.1%
Apr5.4%
May5.9%
Jun6.1%
Jul5.7%
Aug5.8%
Sep5.2%
Oct6.9%
Nov6.1%
Dec6.2%
Consistency (μ/σ)
Jan-0.23
Feb0.14
Mar0.14
Apr-0.05
May0.01
Jun0.13
Jul0.37
Aug0.22
Sep0.03
Oct0.38
Nov0.49
Dec0.28
Win Rate (%)
Jan44%
Feb64%
Mar58%
Apr54%
May54%
Jun51%
Jul50%
Aug56%
Sep56%
Oct64%
Nov64%
Dec61%
Winning / Losing Months
Jan▲16▼20
Feb▲23▼13
Mar▲21▼15
Apr▲20▼17
May▲20▼17
Jun▲19▼18
Jul▲18▼18
Aug▲20▼16
Sep▲20▼16
Oct▲23▼13
Nov▲23▼13
Dec▲22▼14
Longest Win / Loss Streak
Jan▲3▼5
Feb▲7▼3
Mar▲8▼4
Apr▲5▼2
May▲6▼5
Jun▲5▼3
Jul▲4▼5
Aug▲4▼3
Sep▲6▼7
Oct▲5▼2
Nov▲4▼3
Dec▲4▼2
Best
Jan+11.1%2006
Feb+9.5%1992
Mar+18.0%2001
Apr+12.2%1997
May+13.4%1999
Jun+19.8%2016
Jul+13.0%2008
Aug+10.7%1993
Sep+7.2%2015
Oct+17.8%1998
Nov+19.8%2004
Dec+20.1%1998
Worst
Jan-15.9%1999
Feb-9.2%1994
Mar-15.1%2000
Apr-12.5%2022
May-17.3%1998
Jun-10.0%1991
Jul-5.9%2014
Aug-9.9%2003
Sep-10.0%2022
Oct-13.3%2005
Nov-11.4%2007
Dec-11.5%2024
−17.3%+20.1%
Frequently asked questions
Data & methodology
California Water Service Group (CWT) Key Financials
Charts, filings, and peer comparison for every metric
Income Statement
Balance Sheet
Cash Flow
Forecast & Valuation
Operations
Explore more
Deep-dives across the income statement, cash flow, capital return, and valuation
Overview
Income Statement