Three Rivers Edison Powerhouse, CA Climate: Temperature & Rain by Month
Temperature and precipitation from NOAA NCEI 1991–2020 normals →, plus PlainClimate's derived comfort score
30-year climate normals (1991-2020) from Three Rivers Edison Powerhouse's primary NOAA station, THREE RIVERS EDISON PH 1.
The climate verdict for Three Rivers Edison Powerhouse
Three Rivers Edison Powerhouse, California has a mixed annual climate rather than one dominant extreme. Its NOAA normal shows an annual average of 63°F. It scores 97/100 for climate comfort (excellent), putting it in the top third of station-mapped location scores and exceeding 97% of them.
- 63°F
- annual average temperature (NOAA normal)
- 97/100
- comfort score, above 97% of station-mapped location scores
- 22.5"
- precipitation, annual total
- 255 days
- growing season, frost-free days
Three Rivers Edison Powerhouse: NOAA 1991-2020 normals describe a typical year, not a forecast. Method: /methodology.
Normals record plate
Sheet USC00048917 · Three Rivers Edison Powerhouse, CA 63°F mean · 22.5" precip
TEMP-MILD · RANK-UPPER · PHOTO-FINISH · PRCP-DRY · SWING-MID · COMF-TOP · LOAD-MIX · STN-1 · BOOK-FULL
- TEMP-MILD 63°F
- RANK-UPPER #5,557
- PHOTO-FINISH ≈ Antioch Pumping…
- PRCP-DRY 22.5"
- SWING-MID 35°F
- COMF-TOP 97/100
- LOAD-MIX H/C balanced
- STN-1 USC00048917
- BOOK-FULL 6/6 fields
Nearest mean-temperature peer: Antioch Pumping Plt, CA (+ 0 °F mean)
Instrument codes from this station's NOAA 1991–2020 normals, mean temperature, corpus warmth rank, photo-finish peer station, precipitation band, seasonal swing, comfort composite, degree-day load, and field book, not a livability rating.
Mean-temperature neighbourhood
Nationwide NOAA normal poles and nearest peers, not a reprint of every CA station list.
- Three Rivers Ed… (this station) 63°F
- Hot Carlsbad Palomar, CA 63°F
- Near Antioch Pumping…, CA 63°F
- Near Camarillo, CA 63°F
- Near Camp Pardee, CA 63°F
Climate Living Index · Three Rivers Edison Powerhouse
Three Rivers Edison Powerhouse: 78/100 · grade B
Three Rivers Edison Powerhouse publishes 5 of 6 Living Index dimensions (NOAA annual/seasonal normals · NOAA daily multivariate normals); 1 missing weight rescale to 100.
PlainClimate-derived for Three Rivers Edison Powerhouse, not an official NOAA rating. Rankings still use Comfort Score 97/100 (separate formula). Breakpoints and limits.
| Dimension | Station value | Score |
|---|---|---|
| Frost-free season | 255 days/year | 91/100 · A |
| Snowfall burden | 0.0 inches/year | 90/100 · A |
| Annual temperature balance | 62.5°F · 5.0° from 67.5°F | 85/100 · A |
| Normal heat + freeze calendar | 102 calendar days | 75/100 · B |
| Precipitation balance | 22.5 in · 12.5 from 35 in | 56/100 · C |
Three Rivers Edison Powerhouse · 2026-08-04 · NOAA NCEI Climate Normals · method · Comfort Score method.
Three Rivers Edison Powerhouse is a temperate Köppen climate: Csa
Coldest-month mean 46.5°F and warmest-month mean 81.2°F place this station in temperate, dry-summer, hot summer climates (Csa). Class Csa is the Peel et al. (2007) label for this station's monthly mean temperature and precipitation normals: temperate, specifically temperate, dry-summer, hot summer.
- Köppen code
- Csa
- Group
- Temperate
- Warmest month
- 81.2°F
- Coldest month
- 46.5°F
Source: official public datasets monthly normals (1991–2020) at the city’s primary station. This is a station classification, not a mapped regional consensus.
National standing · balanced station
Where Three Rivers Edison Powerhouse sits across the climate record
Three NOAA fields for Three Rivers Edison Powerhouse's primary station, temperature, precipitation, and seasonal swing, are ranked against every station-mapped normal that carries the same field.
- Annual temperature
- Top 19% warmest
- Among 6,861 stations, Three Rivers Edison Powerhouse sits in the warmer third of annual means.
- Annual precipitation
- 31st percentile wetness
- Neither arid nor torrential versus 6,352 station totals.
- Seasonal temperature swing
- Narrower than 83%
- Warmest-to-coldest month gap for Three Rivers Edison Powerhouse is compact versus 6,861 complete station-years.
How Three Rivers Edison Powerhouse compares across U.S. station-mapped locations
Three Rivers Edison Powerhouse's comfort score vs. all station-mapped locations
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
97 Top 3% score exceeds 97% of 6,189 station-mapped location scores
- 0–10: 0 station-mapped locations (0%). Below this entry.
- 10–20: 0 station-mapped locations (0%). Below this entry.
- 20–30: 96 station-mapped locations (2%). Below this entry.
- 30–40: 280 station-mapped locations (5%). Below this entry.
- 40–50: 1,113 station-mapped locations (18%). Below this entry.
- 50–60: 1,329 station-mapped locations (21%). Below this entry.
- 60–70: 1,236 station-mapped locations (20%). Below this entry.
- 70–80: 650 station-mapped locations (11%). Below this entry.
- 80–90: 921 station-mapped locations (15%). Below this entry.
- 90–100: 564 station-mapped locations (9%). This entry sits in this band.
Source NOAA U.S. Climate Normals, PlainClimate comfort index · 1991–2020
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Snow | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|---|
| January | 58°F (14°C) | 36°F (2°C) | 47°F (8°C) | 4.8" | 0.0" | 9.0 | 0.0 |
| February | 62°F (17°C) | 38°F (3°C) | 50°F (10°C) | 3.6" | 0.0" | 4.3 | 0.0 |
| March | 67°F (19°C) | 41°F (5°C) | 54°F (12°C) | 4.0" | 0.0" | 2.1 | 0.0 |
| April | 73°F (23°C) | 44°F (7°C) | 58°F (15°C) | 2.4" | 0.0" | 0.9 | 1.0 |
| May | 82°F (28°C) | 51°F (10°C) | 66°F (19°C) | 1.0" | 0.0" | 0.0 | 7.6 |
| June | 91°F (33°C) | 58°F (15°C) | 75°F (24°C) | 0.3" | 0.0" | 0.0 | 20.2 |
| July | 97°F (36°C) | 65°F (18°C) | 81°F (27°C) | 0.1" | 0.0" | 0.0 | 30.0 |
| August | 96°F (36°C) | 64°F (18°C) | 80°F (27°C) | 0.0" | 0.0" | 0.0 | 28.8 |
| September | 92°F (33°C) | 58°F (15°C) | 75°F (24°C) | 0.2" | 0.0" | 0.0 | 21.7 |
| October | 79°F (26°C) | 49°F (10°C) | 64°F (18°C) | 0.9" | 0.0" | 0.1 | 4.4 |
| November | 66°F (19°C) | 40°F (5°C) | 53°F (12°C) | 1.7" | 0.0" | 3.5 | 0.0 |
| December | 58°F (14°C) | 35°F (2°C) | 47°F (8°C) | 3.7" | 0.0" | 10.6 | 0.0 |
The year, day by day
The year in Three Rivers Edison Powerhouse runs from a mild 35°F around December 18 to 98°F at the peak near July 19, and the normal low never reaches freezing on any date in the record.
When the heat sits
Normal highs reach 90°F from June 12 through September 21, covering 102 dates. The broader mild season, normal highs of 70°F or more, runs April 6 to November 5.
This counts calendar dates whose 1991–2020 normal high reaches 90°F. It is a smaller number than the 90°F+ day counts in the monthly table above, which measure how often the threshold was actually crossed in a typical year. A date can average 88°F and still exceed 90°F in half of all years.
No freezing date
Not one calendar date in the 1991–2020 record carries a normal low at or below 32°F. The coldest normal low of the year is 35°F around December 18.
Where the wet dates fall
The likeliest wet date is February 19, when 31% of years recorded at least a hundredth of an inch. The driest is August 13 at 1%. Summed across the calendar, that is about 51 wet dates a year.
The widest day
September 12 carries the biggest normal gap between afternoon and dawn, 34°F between the normal high and the normal low.
Look up any date
Any date's 1991–2020 normal for Three Rivers Edison Powerhouse.
Where Three Rivers Edison Powerhouse Stands Nationally
Summers here run among the most heat-heavy normals calendars in the country: on about 102 days a year the normal daily high itself reaches 90°F — a count fewer than one station in ten exceeds.
Daily temperature swings run wider than most of the country, peaking near 34°F between the normal high and low.
Three Rivers Edison Powerhouse earns 2 nationally notable standings (outer quintiles) against 6,860 NOAA 1991–2020 normals stations; only those extremes render.
Monthly Precipitation
Average monthly rainfall and snowfall
7.7 days with precipitation
8.9 days with precipitation
7.9 days with precipitation
5.9 days with precipitation
2.9 days with precipitation
0.7 days with precipitation
0.6 days with precipitation
0.2 days with precipitation
0.9 days with precipitation
2.7 days with precipitation
4.9 days with precipitation
7.9 days with precipitation
Three Rivers Edison Powerhouse's wet season runs through the cold months
December, January and February carry 53% of the year's precipitation here, while June through August contribute 2%. That is the cool-season-dominant pattern of the West Coast and the higher inland West, where storm tracks swing south in winter and summer turns dry; the thermometer meanwhile shows a 34.7°F seasonal spread.
- Wettest month
- January, 4.8"
- Driest month
- August, 0.0"
- Wettest three months
- January, March, December (56% of the year)
Shares are computed from this station's own 1991-2020 monthly precipitation normals. A cool-season label means the December-February share reaches 35%. Where snow falls, the monthly figures above report liquid-equivalent precipitation, so a wet winter month is not necessarily a rainy one.
When it rains in Three Rivers Edison Powerhouse, it arrives in quantity
22.5" of precipitation falls across only about 51 wet days here, averaging 0.44 inches each. Fewer days carry more water: the year's total is delivered in comparatively heavy events rather than persistent damp.
- Days with measurable precipitation
- about 51 a year, 14% of all days
- Average depth per wet day
- 0.44 inches
- Most wet days
- February, about 9
- Fewest wet days
- August, about 0
A wet day is one recording at least 0.01 inches. These are 1991-2020 normals: they describe an average year, and a per-day average is not a forecast of any individual storm.
Three Rivers Edison Powerhouse's record shows no measurable snowfall
This station measured snowfall across the 1991-2020 period and recorded none: the annual normal is 0.0 inches. That is a measured zero rather than missing data, which is a meaningful distinction here , most stations in the database simply do not report snow at all, and those pages say nothing about it.
A thirty-year normal of zero describes the typical year at this station. It is not a claim that snow has never fallen in the area.
Frost Dates & Growing Season
First Fall Freeze
November 26
50% probability date
Last Spring Freeze
March 16
50% probability date
Growing Season
255 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
2,643
Higher = more heating needed
Cooling Degree Days
1,774
Higher = more cooling needed
Warmest Month
July
Coldest Month
December
Nationwide similar cities
Other rankable U.S. places outside CA closest to Three Rivers Edison Powerhouse on two NOAA annual-normal axes (mean temperature and annual precipitation). Chip rows use distinct link sets.
Closest by average temperature
Nearest out-of-state peers by annual mean temperature (63°F here).
- Grenada, MS 63°F · 0.0°F off
- Lambert, MS 63°F · 0.0°F off
- Lumberton, NC 63°F · 0.0°F off
- Mccormick, SC 63°F · 0.0°F off
Closest by annual precipitation
Nearest out-of-state peers by annual precipitation (22.5" here), excluding temperature-peer places.
- Culbertson, NE 22.5" · 0.0" off
- Deer Park, WA 22.5" · 0.0" off
- Monument, CO 22.5" · 0.0" off
- Flagstaff, AZ 22.5" · 0.0" off
Data-derived climate profile
How Three Rivers Edison Powerhouse's climate pattern fits together
mixed demand · moderate · mid swing
July and December mark the typical warm and cold ends of the calendar in Three Rivers Edison Powerhouse's middle-range seasonal profile. The measured spread is 34.7°F. The annual average is 63°F. Neither the annual mean nor one extreme month represents the full calendar on its own.
Heating and cooling both register in Three Rivers Edison Powerhouse's normal, at 2,643 and 1,774 degree days respectively. Neither total exceeds the other by more than two to one, so the record is better read as a mixed-demand calendar than as heating-led or cooling-led.
The frost-free window extends for about 255 days. That is a long calendar measure, but it is not a forecast and does not combine heat, rainfall, soil, or local elevation into a planting recommendation.
Three Rivers Edison Powerhouse's 22.5 inches of annual precipitation falls in PlainClimate's middle band, so “wet” or “dry” is not the leading description. Recorded annual snowfall is negligible. Temperature balance and the calendar distribution carry more information than the annual moisture label alone.
These labels group NOAA 1991-2020 normals from Three Rivers Edison Powerhouse's primary station, where heating and cooling demand are close enough that neither season sets the character on its own. On a balanced station like Three Rivers Edison Powerhouse, the bands are descriptive ranges rather than an official NOAA classification or a forecast.
Questions about Three Rivers Edison Powerhouse's climate
How much rain does Three Rivers Edison Powerhouse get? ▼
How many days above 90°F does Three Rivers Edison Powerhouse get? ▼
How much energy does heating and cooling require in Three Rivers Edison Powerhouse? ▼
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). All figures on this page are from Three Rivers Edison Powerhouse's primary station: THREE RIVERS EDISON PH 1 (USC00048917). For informational purposes only.
Place identity: U.S. Census Bureau 2024 Gazetteer places. The conservative exact name-and-state crosswalk finds no Census place match, so PlainClimate treats this as a station-mapped location and does not claim it is a municipality. No exact Gazetteer row for Three Rivers Edison Powerhouse; facility counts that depend on place identity are therefore an upper bound, not a municipal census.
On this page every temperature, precipitation, and derived score for Three Rivers Edison Powerhouse comes from its primary NOAA station record. No figure on this page is typed in by an editor - each value is rendered from NOAA 1991-2020 U.S. Climate Normals. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 1991–2020 normals.