Climate Alpena, Alpena County Regional Airport May - 1991

Data reported by the weather station: 726390 (KAPN)
Latitude: 45.06 | Longitude: -83.58 | Altitude: 210

°F°C

mi/hkm/h

Climate data: May 1991

Day	T	TM	Tm	SLP	H	PP	VV	V	VM	VG	RA	SN	TS	FG
1	10.8	17.2	8.9	1004.5	57	0	17.5	22.4	27.8	50	o
2	6.6	11.1	3.9	1010.1	66	1.02	15.1	17.4	27.8	40.7	o
3	6.8	12.2	3.9	1019.3	62	0	18.5	17.2	24.1	-	o
4	3.9	12.2	0.6	1024.2	68	0	18	13.1	22.2	-
5	5.9	12.8	-1.7	1020.8	65	0	15.8	13.7	27.8	50	o
6	7.9	13.9	6.1	1005.8	84	13.97	9	18	25.9	42.4	o			o
7	7.2	11.7	6.1	1012.9	74	1.02	15.4	20.4	29.4	46.5	o
8	6	11.7	1.1	1028.2	68	0	16.7	13.7	22.2	-
9	8.1	13.3	5	1026.8	83	2.03	13.2	11.7	18.7	-	o			o
10	10.9	18.3	3.9	1026.4	83	0	7.2	11.9	20.6	-				o
11	17.4	29.4	7.2	1022.4	66	0	8.4	10.6	25.9	35.2				o
12	21.4	29.4	15.6	1014.8	70	1.02	8.2	9.8	18.7	-	o			o
13	18.2	28.3	12.8	1011.7	84	16	8.7	6.7	31.7	51.9	o		o	o
14	19.3	25	13.3	1009	80	2.54	9.3	9.3	16.5	-	o		o	o
15	18.5	28.9	8.9	1014.4	65	0	12.9	9.1	20.6	-				o
16	21.4	30	13.9	1012.2	56	0	12.6	12.2	22.2	-	o		o
17	10.9	18.3	5.6	1014.9	89	17.02	9.2	15.7	31.7	37	o			o
18	7.7	15.6	3.3	1030.5	55	3.05	18.7	15.9	22.2	31.7
19	9.1	17.8	0	1031.8	52	0	15.9	8.9	24.1	-
20	10.5	20	0.6	1027.9	63	0	15.4	8	24.1	-
21	16.5	27.2	6.1	1022.1	64	0	11.6	8.9	22.2	-				o
22	18	27.8	12.2	1021.3	74	0	8.2	6.1	14.8	-	o			o
23	21.4	30	15	1018.7	79	0	7.4	9.3	22.2	-	o		o	o
24	22.7	30.6	18.9	1013.1	83	3.05	7.4	12.8	24.1	31.7	o		o	o
25	18.2	27.8	16.1	1014.9	90	4.06	6.9	10.7	18.7	-	o			o
26	18.5	26.1	13.3	1011.5	86	33.02	7.4	12	22.2	-	o		o	o
27	21.2	26.7	18.3	1010.4	79	2.03	13.4	14.3	22.2	33.5				o
28	19.1	27.8	11.7	1017.1	79	0	12.7	10.2	48.2	70.6	o		o	o
29	19.6	27.8	16.7	1014.4	87	39.12	12.1	12	29.4	46.5	o		o	o
30	22	28.3	16.1	1006.2	82	20.07	10.6	11.3	25.9	37	o		o	o
31	21.6	29.4	17.8	1007	74	2.03	12.9	9.4	16.5	-	o			o
Monthly means and totals:
	14.4	22.1	9.1	1016.9	73.1	161.05	12.1	12.3	24.2		21	0	9	20

Summary of the historical monthly average and total values for the month of May 1991 at the "Alpena, Alpena County Regional Airport" meteorological station.

Medium temperature	14.4°C
Average atmospheric pressure	1016.9 hPa
Average relative humidity	73.1 %
Total precipitation month	161.05 mm
Medium visibility	12.1 km
Average wind speed	12.3 km/h
Rainy days	21
Stormy days	9
Foggy days	20

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Interpretation

Note that the averages and monthly totals are based on available data, when in the middle some result in red, it means that no information is available full month, in this case, the mean or total is the days for which there are data.

T	Average Temperature (°C \| °F)
TM	Maximum temperature (°C \| °F)
Tm	Minimum temperature (°C \| °F)
SLP	Atmospheric pressure at sea level (hPa)
H	Average relative humidity (%)
PP	Total rainfall and / or snowmelt (mm)
VV	Average visibility (mi \| km)
V	Average wind speed (mi/h \| km/h)
VM	Maximum sustained wind speed (mi/h \| km/h)
VG	Maximum speed of wind (mi/h \| km/h)
RA	Indicate if there was rain or drizzle (In the monthly average, total days it rained)
SN	Snow indicator (In the monthly average, total days that snowed)
TS	Indicates whether there storm (In the monthly average, Total days with thunderstorm)
FG	Indicates whether there was fog (In the monthly average, Total days with fog)

Climate Alpena, Alpena County Regional Airport May - 1991

Climate data: May 1991

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