Seasonality

CWT seasonality — California Water Service Group

Over the last 11 years, CWT's strongest month on average has been July (+5.2%) and its weakest September (-3.9%).

CWT overview →

Average return by month

Month-by-month statistics

MonthAvgMedianUp %BestWorstYrs
Jan-2.39%+1.00%60%+3.9%-13.6%10
Feb-1.55%+0.46%60%+6.5%-8.8%10
Mar+2.18%+2.10%80%+6.6%-2.5%10
Apr-2.28%-2.03%40%+5.7%-12.5%10
May+0.66%+1.52%60%+6.8%-6.7%10
Jun+0.06%-0.40%50%+7.9%-9.3%10
Jul+5.19%+5.49%80%+12.9%-1.7%10
Aug-0.11%-0.08%50%+5.7%-5.2%10
Sep-3.90%-5.01%20%+4.2%-10.0%10
Oct+3.77%+3.10%70%+17.8%-4.2%10
Nov+3.67%+3.88%78%+11.0%-8.2%9
Dec+0.54%-0.12%50%+14.1%-11.4%10

Monthly returns heat map — CWT

price return, %
YearJanFebMarAprMayJunJulAugSepOctNovDecYear
2026 3.20.80.6-6.86.87.93.0-0.3-7.44.85.2 +17.8%
2025 -0.10.36.64.5-6.7-3.8-0.03.2-2.2-3.32.2-4.5 -4.4%
2024 -12.71.41.35.71.6-2.810.23.5-2.0-4.2-1.5-11.4 -12.6%
2023 0.9-6.41.7-3.61.5-9.32.7-5.2-5.82.93.92.6 -14.5%
2022 -13.6-8.34.1-12.53.53.58.2-2.6-10.017.84.6-6.6 -15.6%
2021 1.10.62.54.3-3.2-2.312.91.4-7.33.33.514.1 +33.0%
2020 1.9-8.84.9-10.74.61.5-1.7-3.3-4.22.611.09.2 +4.8%
2019 3.95.04.3-7.2-2.32.95.55.7-6.25.7-8.20.3 +8.2%
2018 -10.2-6.8-1.84.03.9-3.25.50.14.2-2.18.94.2 +5.1%
2017 1.86.5-2.5-0.4-2.96.25.7-3.71.910.18.6-0.6 +33.8%
2016 -1.9