9.9 usable nights
9–11 in the middle half of years · 3.2 typically near a dark moon.
344 astronomical-dark hours in an average month
October: 14.8 usable nights on average. Use this seasonal climate baseline to choose a month, then use the live forecast to choose a night.
It averages 14.8 usable nights, versus 6.8 in February. A typical October lands between 11 and 18 usable nights.
9–11 in the middle half of years · 3.2 typically near a dark moon.
344 astronomical-dark hours in an average month
4–10 in the middle half of years · 2.3 typically near a dark moon.
289 astronomical-dark hours in an average month
6–9 in the middle half of years · 2.4 typically near a dark moon.
283 astronomical-dark hours in an average month
6–10 in the middle half of years · 2.6 typically near a dark moon.
240 astronomical-dark hours in an average month
5–10 in the middle half of years · 3.0 typically near a dark moon.
192 astronomical-dark hours in an average month
7–11 in the middle half of years · 2.6 typically near a dark moon.
180 astronomical-dark hours in an average month
9–15 in the middle half of years · 3.8 typically near a dark moon.
186 astronomical-dark hours in an average month
10–15 in the middle half of years · 4.3 typically near a dark moon.
233 astronomical-dark hours in an average month
10–16 in the middle half of years · 5.2 typically near a dark moon.
252 astronomical-dark hours in an average month
11–18 in the middle half of years · 4.8 typically near a dark moon.
310 astronomical-dark hours in an average month
11–16 in the middle half of years · 4.2 typically near a dark moon.
328 astronomical-dark hours in an average month
6–12 in the middle half of years · 3.3 typically near a dark moon.
362 astronomical-dark hours in an average month
The cloud product is a roughly 1° regional grid. It can reveal seasonality, but it cannot know a mountain ridge, valley fog pocket, locked gate, smoke event or the exact sky you will get.
Source: NASA POWER daily data, parameter CLOUD_AMT_NIGHT from the CERES SYN1deg cloud product. GoodSeeing calculates astronomical darkness and lunar illumination independently for each place.