Redding 12 WNW

At a climate reference station in Shasta County, California

At a climate reference station

USCRN network, identified by the register

Identifier: 04222
Latitude: 40.65000 N
Longitude: 122.60000 W
Elevation: -
Rank: 2,573of 4,465 in California, Oct 16
Observed: 12:00 AMPDT, 3 hours ago
Air temperature: 57.4F
What it feels like: 57.4F
High so far today: 57.4F
Low so far today: 57.4F
Dew point: 27F
Relative humidity: 31%
Wind: 10mph
Strongest wind today: 10mph
Ground surface temperature: 54.1F

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Station charts

Redding 12 WNW Report

Rank 2,573 of 4,465 in California, Oct 16. The 247 rank orders a state's stations by their 247 score out of 100: how reliably they report, how accurate their readings are against a reference station, how their readings pass their checks, and how they stand against the forecast.

Rank: 2,573of 4,465 in California, Oct 16
Schedule: every 5 min
Reports received, 24 hours: 264 of 28891.6% of its schedule
Reports received, 7 days: 1,992 of 2,01698.8% of its schedule
Days reported, 30 days: 30 of 30
Longest silence, 7 days: 3 h 04 minfrom Oct 16, 12:00 AM
Latest report: Oct 16, 12:00 AMlocal time

Its schedule is one report every 5 min, 288 in 24 hours. Two reports in the same 5 min count as one received.

24 hours7 days30 days

The readings these charts were drawn from, as a table

Hour	Temperature F	Dew point F	Relative humidity %	Wind mph	Reports
Fri 16, 12 AM	57.4	27.0	31	10	1
Thu 15, 11 PM	57.9	28.1	-	10	12
Thu 15, 10 PM	60.4	28.6	-	9	12
Thu 15, 9 PM	63.1	28.6	-	9	12
Thu 15, 8 PM	67.4	28.0	-	9	12
Thu 15, 7 PM	71.2	27.7	-	6	12
Thu 15, 6 PM	77.3	26.3	-	4	12
Thu 15, 5 PM	87.3	22.3	-	4	12
Thu 15, 4 PM	90.1	20.9	-	4	12
Thu 15, 3 PM	89.2	23.3	-	4	12
Thu 15, 2 PM	86.9	26.4	-	3	12
Thu 15, 1 PM	85.7	27.2	-	4	12
Thu 15, 12 PM	85.2	26.7	-	3	12
Thu 15, 11 AM	82.6	26.9	-	5	12
Thu 15, 10 AM	75.6	33.8	-	5	12
Thu 15, 9 AM	63.9	35.7	-	6	12
Thu 15, 8 AM	56.3	35.2	-	7	12
Thu 15, 7 AM	54.1	34.9	-	7	12
Thu 15, 6 AM	54.4	34.4	-	8	12
Thu 15, 5 AM	55.2	34.1	-	8	12
Thu 15, 4 AM	55.7	34.0	-	8	12

The readings these charts were drawn from, as a table

Hour	Temperature F	Dew point F	Relative humidity %	Wind mph	Reports
Fri 16, 12 AM	57.4	27.0	31	10	1
Thu 15, 11 PM	57.9	28.1	-	10	12
Thu 15, 10 PM	60.4	28.6	-	9	12
Thu 15, 9 PM	63.1	28.6	-	9	12
Thu 15, 8 PM	67.4	28.0	-	9	12
Thu 15, 7 PM	71.2	27.7	-	6	12
Thu 15, 6 PM	77.3	26.3	-	4	12
Thu 15, 5 PM	87.3	22.3	-	4	12
Thu 15, 4 PM	90.1	20.9	-	4	12
Thu 15, 3 PM	89.2	23.3	-	4	12
Thu 15, 2 PM	86.9	26.4	-	3	12
Thu 15, 1 PM	85.7	27.2	-	4	12
Thu 15, 12 PM	85.2	26.7	-	3	12
Thu 15, 11 AM	82.6	26.9	-	5	12
Thu 15, 10 AM	75.6	33.8	-	5	12
Thu 15, 9 AM	63.9	35.7	-	6	12
Thu 15, 8 AM	56.3	35.2	-	7	12
Thu 15, 7 AM	54.1	34.9	-	7	12
Thu 15, 6 AM	54.4	34.4	-	8	12
Thu 15, 5 AM	55.2	34.1	-	8	12
Thu 15, 4 AM	55.7	34.0	-	8	12
Thu 15, 3 AM	56.6	34.1	-	7	12
Thu 15, 2 AM	58.1	33.9	-	8	12
Thu 15, 1 AM	59.7	34.2	-	7	12
Thu 15, 12 AM	61.3	34.6	-	7	12
Wed 14, 11 PM	61.1	35.2	-	8	12
Wed 14, 10 PM	61.9	35.5	-	6	12
Wed 14, 9 PM	63.2	35.5	-	7	12
Wed 14, 8 PM	64.6	35.6	-	7	12
Wed 14, 7 PM	67.9	36.0	-	7	12
Wed 14, 6 PM	75.8	33.7	-	2	12
Wed 14, 5 PM	80.9	33.2	-	2	12
Wed 14, 4 PM	82.4	33.0	-	3	12
Wed 14, 3 PM	84.2	32.1	-	4	12
Wed 14, 2 PM	84.6	32.1	-	4	12
Wed 14, 1 PM	83.3	31.2	-	4	12
Wed 14, 12 PM	80.9	27.6	-	6	12
Wed 14, 11 AM	76.6	22.4	-	7	12
Wed 14, 10 AM	70.4	22.0	-	7	12
Wed 14, 9 AM	62.8	21.9	-	9	12
Wed 14, 8 AM	57.6	21.0	-	8	12
Wed 14, 7 AM	53.2	22.1	-	9	12
Wed 14, 6 AM	51.9	23.0	-	8	12
Wed 14, 5 AM	54.8	22.6	-	7	12
Wed 14, 4 AM	51.7	23.7	-	8	12
Wed 14, 3 AM	52.2	24.5	-	8	12
Wed 14, 2 AM	52.4	24.6	-	8	12
Wed 14, 1 AM	52.1	25.3	-	7	12
Wed 14, 12 AM	53.3	25.8	-	7	12
Tue 13, 11 PM	54.5	25.6	-	6	12
Tue 13, 10 PM	56.0	25.8	-	4	12
Tue 13, 9 PM	55.3	26.0	-	5	12
Tue 13, 8 PM	56.3	25.1	-	7	12
Tue 13, 7 PM	59.1	25.0	-	6	12
Tue 13, 6 PM	65.9	21.1	-	2	12
Tue 13, 5 PM	70.2	20.5	-	2	12
Tue 13, 4 PM	73.0	17.5	-	3	12
Tue 13, 3 PM	73.6	19.4	-	3	12
Tue 13, 2 PM	72.0	20.8	-	3	12
Tue 13, 1 PM	69.6	22.0	-	3	12
Tue 13, 12 PM	66.9	23.6	-	4	12
Tue 13, 11 AM	64.6	24.2	-	4	12
Tue 13, 10 AM	59.7	23.4	-	4	12
Tue 13, 9 AM	52.3	24.0	-	5	12
Tue 13, 8 AM	45.9	23.7	-	7	12
Tue 13, 7 AM	42.3	24.0	-	6	12
Tue 13, 6 AM	42.1	22.8	-	8	12
Tue 13, 5 AM	42.8	22.4	-	8	12
Tue 13, 4 AM	43.3	22.4	-	7	12
Tue 13, 3 AM	42.9	22.8	-	7	12
Tue 13, 2 AM	42.4	22.9	-	9	12
Tue 13, 1 AM	43.1	22.9	-	6	12
Tue 13, 12 AM	43.7	23.2	-	7	12
Mon 12, 11 PM	44.3	23.7	-	6	12
Mon 12, 10 PM	46.3	23.9	-	7	12
Mon 12, 9 PM	48.5	24.1	-	6	12
Mon 12, 8 PM	51.7	23.8	-	5	12
Mon 12, 7 PM	56.8	22.3	-	4	12
Mon 12, 6 PM	63.0	19.7	-	0	12
Mon 12, 5 PM	65.4	19.2	-	4	12
Mon 12, 4 PM	67.4	18.7	-	4	12
Mon 12, 3 PM	67.4	18.8	-	5	12
Mon 12, 2 PM	67.6	18.0	-	4	12
Mon 12, 1 PM	66.4	16.9	-	4	12
Mon 12, 12 PM	64.6	15.9	-	4	12
Mon 12, 11 AM	61.9	18.5	-	4	12
Mon 12, 10 AM	59.5	18.3	-	4	12
Mon 12, 9 AM	51.2	21.8	-	6	12
Mon 12, 8 AM	44.0	22.3	-	6	12
Mon 12, 7 AM	40.6	22.5	-	6	12
Mon 12, 6 AM	40.0	22.6	-	6	12
Mon 12, 5 AM	41.2	22.7	-	6	12
Mon 12, 4 AM	41.8	22.5	-	6	12
Mon 12, 3 AM	42.4	22.3	-	5	12
Mon 12, 2 AM	43.3	21.8	-	7	12
Mon 12, 1 AM	45.0	21.4	-	6	12
Mon 12, 12 AM	45.8	20.9	-	6	12
Sun 11, 11 PM	47.6	20.0	-	6	12
Sun 11, 10 PM	50.2	19.1	-	5	12
Sun 11, 9 PM	52.5	18.5	-	5	12
Sun 11, 8 PM	58.0	15.7	-	3	12
Sun 11, 7 PM	61.9	14.1	-	2	12
Sun 11, 6 PM	64.3	11.5	-	4	12
Sun 11, 5 PM	66.6	10.1	-	5	12
Sun 11, 4 PM	68.1	7.9	-	7	12
Sun 11, 3 PM	68.3	7.4	-	8	12
Sun 11, 2 PM	68.1	5.0	-	11	12
Sun 11, 1 PM	67.9	6.3	-	9	12
Sun 11, 12 PM	66.5	11.9	-	5	12
Sun 11, 11 AM	63.9	16.1	-	5	12
Sun 11, 10 AM	62.0	18.9	-	6	12
Sun 11, 9 AM	58.5	20.5	-	4	12
Sun 11, 8 AM	55.0	20.9	-	6	12
Sun 11, 7 AM	53.7	21.2	-	7	12
Sun 11, 6 AM	53.6	21.9	-	7	12
Sun 11, 5 AM	53.9	22.8	-	6	12
Sun 11, 4 AM	54.8	23.7	-	6	12
Sun 11, 3 AM	56.1	23.7	-	5	12
Sun 11, 2 AM	56.8	23.7	-	4	12
Sun 11, 1 AM	57.6	23.3	-	5	12
Sun 11, 12 AM	58.6	22.8	-	6	12
Sat 10, 11 PM	58.9	24.0	-	6	12
Sat 10, 10 PM	60.9	22.4	-	4	12
Sat 10, 9 PM	64.1	19.8	-	5	12
Sat 10, 8 PM	66.9	28.6	-	5	12
Sat 10, 7 PM	68.1	39.8	-	2	12
Sat 10, 6 PM	69.2	40.3	-	5	12
Sat 10, 5 PM	71.9	38.6	-	5	12
Sat 10, 4 PM	75.1	34.6	-	3	12
Sat 10, 3 PM	76.2	32.3	-	4	12
Sat 10, 2 PM	77.1	30.8	-	4	12
Sat 10, 1 PM	75.7	32.5	-	4	12
Sat 10, 12 PM	73.1	35.6	-	5	12
Sat 10, 11 AM	71.0	35.1	-	6	12
Sat 10, 10 AM	66.6	33.5	-	7	12
Sat 10, 9 AM	65.0	29.1	-	6	12
Sat 10, 8 AM	61.7	26.6	-	6	12
Sat 10, 7 AM	60.2	25.0	-	5	12
Sat 10, 6 AM	61.1	23.7	-	6	12
Sat 10, 5 AM	62.8	22.7	-	6	12
Sat 10, 4 AM	64.3	23.9	-	6	12
Sat 10, 3 AM	65.5	29.5	-	7	12
Sat 10, 2 AM	67.0	34.4	-	6	12
Sat 10, 1 AM	69.4	35.4	-	6	12
Sat 10, 12 AM	72.4	33.0	-	11	12
Fri 9, 11 PM	74.0	22.7	-	8	12
Fri 9, 10 PM	76.2	15.1	-	7	12
Fri 9, 9 PM	78.6	12.4	-	9	12
Fri 9, 8 PM	80.4	14.6	-	8	12
Fri 9, 7 PM	83.6	16.0	-	11	12
Fri 9, 6 PM	86.8	20.5	-	10	12
Fri 9, 5 PM	91.3	26.2	-	7	12
Fri 9, 4 PM	95.7	25.6	-	8	12
Fri 9, 3 PM	93.6	32.9	-	5	12
Fri 9, 2 PM	91.4	36.2	-	7	12
Fri 9, 1 PM	92.5	35.4	-	6	12
Fri 9, 12 PM	91.2	35.6	-	4	12
Fri 9, 11 AM	88.7	37.2	-	4	12
Fri 9, 10 AM	83.9	36.5	-	6	12
Fri 9, 9 AM	77.8	36.4	-	8	12
Fri 9, 8 AM	72.6	36.3	-	8	12
Fri 9, 7 AM	70.2	35.9	-	8	12
Fri 9, 6 AM	70.4	35.9	-	8	12
Fri 9, 5 AM	72.9	35.0	-	6	12
Fri 9, 4 AM	72.7	35.3	-	4	12

The readings these charts were drawn from, as a table

Day	High F	Low F	Highest dew point F	Lowest dew point F	Highest humidity %	Lowest humidity %	Precipitation in
Oct 16	57.4	57.4	27.0	27.0	31	31	-
Oct 15	91.0	53.2	36.3	19.4	50	8	0.00
Oct 14	86.2	50.7	36.4	20.2	39	12	0.00
Oct 13	74.7	41.9	26.4	15.4	49	11	0.00
Oct 12	69.1	39.4	24.8	14.1	51	14	0.00
Oct 11	68.9	46.2	24.3	4.0	36	8	0.00
Oct 10	78.8	58.3	42.9	18.5	40	17	0.00
Oct 9	97.3	69.3	39.0	11.7	29	7	0.00
Oct 8	99.0	64.2	39.0	19.9	38	6	0.00
Oct 7	95.9	62.6	39.4	27.7	38	9	0.00
Oct 6	99.9	65.7	39.6	24.2	37	7	0.00
Oct 5	97.9	69.3	40.5	26.1	34	8	0.00
Oct 4	93.4	67.6	43.5	30.1	32	12	0.00
Oct 3	96.1	64.0	35.3	22.9	31	8	0.00
Oct 2	93.4	61.5	40.6	29.4	44	12	0.00
Oct 1	91.9	59.5	40.2	32.9	46	13	0.00
Sep 30	93.2	62.8	39.7	30.2	41	11	0.00
Sep 29	93.4	59.2	39.0	24.9	42	10	0.00
Sep 28	88.3	53.2	38.8	26.3	48	11	0.00
Sep 27	79.0	48.6	32.8	15.8	42	10	0.00
Sep 26	80.6	53.2	40.0	21.8	52	12	0.00
Sep 25	81.7	63.7	46.9	13.3	51	8	0.00
Sep 24	86.4	58.8	43.1	29.0	42	16	0.00
Sep 23	92.1	61.5	47.7	35.6	60	16	0.00
Sep 22	84.2	57.2	51.5	46.8	76	28	0.00
Sep 21	90.5	59.4	51.4	34.6	60	14	0.00
Sep 20	91.6	60.3	46.6	26.5	48	10	0.00
Sep 19	91.9	62.4	43.6	23.8	45	9	0.00
Sep 18	86.0	52.7	47.2	39.5	76	20	0.00
Sep 17	75.0	50.7	49.1	41.8	79	33	0.00

Station report

Redding 12 WNW, in 4 sheets

Drawn from its report of Oct 16, 2026, 12:00 AM local time, in the manner of the Field Book, and opened beside the plates that explain each part of it.

1The air

Contents

57.4 F with a dew point of 27.0 F, 31 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 6,800 ft up.

From the Field Book

FB-WAT-002, Fig. CHumidity variables
The same lift, worked for another air: how the humidity climbs as the air rises and cools.
FB-ENG-011, Fig. AWater vapour as a gas
How much vapour air can hold at each temperature, which sets the dew point.
FB-ENG-005, Fig. ALapse rates and stability
The dry rate the lifted air cools at, against the air around it.

2The wind

Contents

At 10 mph: force 3, a gentle breeze on the Beaufort scale.

From the Field Book

FB-EVT-150, Fig. AHigh wind
How a high wind reaches the ground, and the strengths a warning is issued at (40 mph sustained, 58 mph gusts).
FB-ENG-008, Fig. ACoriolis as geometry
Why large scale winds turn, and blow round a low rather than into it.

3The sun

Contents

On Oct 16 the noon sun stands 40 degrees above the horizon at 40.65 N, and the day is 10 h 57 min long. Level ground there takes 65 per cent of the noon sunlight a surface facing the sun would.

From the Field Book

FB-ENG-007, Fig. ARadiation budget
Where the sunlight that reaches this ground goes once it arrives.

4The instrument

Contents

A weather instrument. Its report of Oct 16, 2026, 12:00 AM local time is written on the sensors that made it.

From the Field Book

FB-INS-001, Fig. AWhat an instrument is
A surface station taken apart: what each of these sensors is.

Redding 12 WNW

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Redding 12 WNW Report

Redding 12 WNW, in 4 sheets

1The air

From the Field Book

2The wind

From the Field Book

3The sun

From the Field Book

4The instrument

From the Field Book

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