Statistics Monarch Pass Weather Station 2019-2023

Climate and trends: average temperature, flight conditions, precipitation, wind speed and direction.

Calculated from historical METAR data of Salida/Harriett Alexander Field (KANK) between 2019 and 2023.

VFR conditions (%)

Month	Average	2023	2022	2021	2020	2019
January	93.6	95	92	90	99	94
February	94.8	95	91	97	97	92
March	94.7	96	93	92	96	92
April	95.9	96	97	94	99	95
May	94.7	95	93	92	100	90
June	99.0	99	97	99	100	100
July	98.9	99	98	100	100	100
August	98.4	97	99	99	100	100
September	96.9		98	99	93	100
October	95.8		98	99	95	94
November	96.0		97	100	97	90
December	96.5		98	99	95	94
Average	96.4	96.5	96.2	96.5	97.3	95.2

106th best VFR conditions of United States

VFR conditions during daylight period

Percentage of observations where the VFR minimums for ceiling and visibility are met:

• Visibility: 5 mi or more
• Ceiling: 3,000 ft or more

Only observations between sunrise and sunset are taken into account.

Marginal VFR conditions (%)

Month	Average	2023	2022	2021	2020	2019
January	95.8	97	94	93	99	96
February	96.2	96	94	98	98	95
March	97.6	98	96	95	98	98
April	98.6	99	99	99	99	99
May	98.4	98	96	99	100	97
June	99.9	100	100	100	100	100
July	99.6	100	99	100	100	100
August	99.4	99	100	100	100	100
September	98.8		99	100	96	100
October	98.1		99	100	97	97
November	98.0		100	100	98	94
December	97.9		100	99	97	95
Average	98.3	98.4	98.2	98.6	98.4	97.8

Marginal VFR conditions or better during daylight period

Percentage of observations where the MVFR minimums for ceiling and visibility are met:

• Visibility: 3⅛ mi or more
• Ceiling: 1,000 ft or more

Only observations between sunrise and sunset are taken into account.

Maximum temperatures (°C)

Month	Average	2023	2022	2021	2020	2019
January	5.5	4	8	5	5	4
February	6.5	7	6	5	6	5
March	11.5	8	12	10	12	10
April	16.0	15	16	15	16	16
May	20.4	20	22	20	25	17
June	26.5	21	26	28	28	25
July	25.8	9	25	29	29	30
August	26.2	16	24	28	31	30
September	25.1		24	27	25	27
October	17.2		17	18	20	15
November	11.7		9	15	12	11
December	6.6		6	9	6	4
Average	16.5	12.3	16.5	17.4	17.3	16.2

1,677th highest temperature of United States

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month	Average	2023	2022	2021	2020	2019
January	-7.9	-7	-6	-6	-5	-7
February	-5.0	-7	-9	-5	-6	-5
March	-2.3	-4	-3	-3	0	-2
April	0.7	-1	1	0	1	2
May	3.5	0	2	5	8	3
June	7.0	0	1	6	12	9
July	7.8	0	1	5	12	12
August	7.6	7	1	2	8	12
September	6.5		0	4	6	11
October	2.0		0	3	3	1
November	-2.4		-5	1	-1	-2
December	-6.9		-5	-2	-7	-6
Average	1.2	-2.5	-2.2	0.7	1.9	2.2

134th lowest temperature of United States

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2023	2022	2021	2020	2019
January	0.0	0	0	0	0	0
February	0.0	0	0	0	0	0
March	0.0	0	0	0	0	0
April	0.0	0	0	0	0	0
May	0.0	0	0	0	0	0
June	0.0	0	0	0	0	0
July	0.0	0	0	0	0	0
August	0.0	0	0	0	0	0
September	0.0		0	0	0	0
October	0.0		0	0	0	0
November	0.0		0	0	0	0
December	0.0		0	0	0	0
Average

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (knots)

Month	Average	2023	2022	2021	2020	2019
January	8.3	9	8	8	9	7
February	10.5	10	8	12	11	11
March	9.9	11	8	9	11	9
April	10.0	10	12	9	9	9
May	7.3	5	10	8	9	8
June	8.0	7	9	7	9	8
July	6.4	7	6	5	6	7
August	6.2	8	4	6	7	6
September	6.6		6	6	6	8
October	8.3		6	8	10	10
November	8.3		8	8	9	8
December	8.9		10	11	6	8
Average	8.2	8.1	7.7	7.9	8.2	8.3

1,677th highest wind speed of United States

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month	2023	2022	2021	2020	2019
January	234°	253°	246°	238°	249°
February	236°	230°	245°	234°	225°
March	233°	246°	213°	230°	239°
April	253°	259°	229°	253°	249°
May	217°	229°	212°	221°	219°
June	243°	219°	177°	215°	249°
July	253°	293°	101°	267°	261°
August	241°	193°	239°	286°	265°
September		189°	235°	230°	217°
October		229°	227°	233°	229°
November		218°	243°	230°	235°
December		239°	234°	265°	258°

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.