Table 4.

Inter-day effects

	(1)	(2)	(3)	(4)
	Daily	Daily	Daily	Daily average
Average WBT last 3 days	$-$141.168***
	(12.359)
Average WBT last 5 days		$-$178.997***
		(14.765)
Average WBT last 7 days			$-$221.540***
			(17.134)
Average WBT in week				$-$97.857***
				(14.427)
Observations	35,190	35,190	35,190	12,023
Number of workers	635	635	635	446
Worker FE	Yes	Yes	Yes	Yes
Year FE	Yes	Yes	Yes	Yes
Month FE	Yes	Yes	Yes	Yes
Other weather	Yes	Yes	Yes	Yes

The dependent variable in regressions (1)–(3) is output per worker-shift. WBT refers to the maximum wet bulb temperature on day of shift. The dependent variable in regressions (4) is average daily output per worker-shift during a week. Average WBT refers to mean daily maximum WBT. Robust standard errors clustered at the worker level are presented in parentheses, and ***$p<0.01$, **$p<0.05$, *$p<0.1$. The sample of specification (1)–(3) comprises all day shifts from May to September. The sample of specification (4) comprises average of day shifts by workers worked 5 or 6 days over a week in May to September