Seasonality
NWN seasonality — NW Natural
Over the last 11 years, NWN's strongest month on average has been November (+3.8%) and its weakest September (-2.9%).
Average return by month
Month-by-month statistics
| Month | Avg | Median | Up % | Best | Worst | Yrs |
|---|---|---|---|---|---|---|
| Jan | -0.31% | -0.43% | 40% | +5.4% | -5.3% | 10 |
| Feb | +1.02% | +2.22% | 60% | +13.9% | -10.4% | 10 |
| Mar | +2.14% | +0.82% | 60% | +12.4% | -6.1% | 10 |
| Apr | +0.87% | +0.87% | 60% | +6.3% | -7.5% | 10 |
| May | -1.12% | -1.92% | 30% | +13.5% | -9.1% | 10 |
| Jun | -1.50% | -1.44% | 40% | +6.7% | -13.0% | 10 |
| Jul | +1.76% | +0.79% | 60% | +10.7% | -4.1% | 10 |
| Aug | -1.64% | -0.23% | 40% | +5.1% | -11.3% | 10 |
| Sep | -2.86% | -2.86% | 30% | +8.2% | -11.2% | 10 |
| Oct | +0.37% | -2.02% | 40% | +10.9% | -4.7% | 10 |
| Nov | +3.83% | +4.20% | 67% | +12.7% | -4.4% | 9 |
| Dec | -1.58% | -4.53% | 40% | +13.1% | -13.7% | 10 |
Monthly returns heat map — NWN
price return, %| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -0.4 | 13.9 | 0.3 | -0.4 | -8.5 | 1.2 | -0.3 | 0.3 | -4.9 | 7.0 | 3.6 | +10.7% | |
| 2025 | 0.9 | 2.4 | 4.5 | 0.9 | -4.9 | -3.0 | 0.5 | 4.0 | 8.2 | 1.3 | 8.7 | -5.5 | +18.1% |
| 2024 | -5.3 | -0.3 | 1.3 | 2.5 | -1.9 | -3.5 | 10.7 | 0.6 | 1.5 | -4.7 | 12.7 | -9.7 | +1.6% |
| 2023 | 5.4 | -3.6 | -1.6 | -1.3 | -9.1 | 0.8 | -0.2 | -8.6 | -2.9 | -3.8 | -0.2 | 6.3 | -18.2% |
| 2022 | -3.0 | 9.9 | -0.6 | -7.5 | 13.5 | -2.2 | 1.1 | -11.3 | -8.9 | 10.9 | 4.2 | -5.0 | -2.4% |
| 2021 | 1.6 | 2.7 | 12.4 | -0.1 | -1.9 | -0.7 | -0.4 | -1.6 | -10.6 | -2.0 | -4.4 | 13.1 | +6.1% |
| 2020 | -0.5 | -10.4 | -6.1 | 5.4 | -1.5 | -13.0 | -4.1 | -4.5 | -11.2 | -2.1 | 7.8 | -4.0 | -37.6% |
| 2019 | 3.5 | 2.6 | 2.2 | 1.9 | 2.9 | 1.0 | 2.8 | -0.1 | -0.0 | -2.8 | -0.8 | 7.2 | +21.9% |
| 2018 | -3.9 | -9.1 | 10.6 | 6.3 | -2.5 | 6.7 | 2.1 | -0.4 | 3.1 | -3.1 | 2.4 | -8.8 | +1.4% |
| 2017 | -1.5 | 2.0 | -1.7 | 0.8 | 2.8 | -2.3 | 5.4 | 5.1 | -2.9 | 3.0 | 4.2 | -13.7 | -0.2% |
| 2016 | 4.4 |