NWS Boulder engagement report
@NWSBoulder - 148K followers on X
Measured over 40 original posts from a 30-day window, last computed on September 26, 2026.
Engagement
A typical post picks up 6 interactions against 148K followers, an engagement rate of 0.004%. Measured over 40 original posts, its engagement rate beats 11% of 20,444 tracked accounts of a similar size. That is a reason to look at how the audience behaves - reply depth, saves, whether the followers are recent - rather than a conclusion about it on its own. Posts are seen about 3.8K times each, and 0.143% of those impressions turn into an interaction. That is about 2.60% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 1.3 post a day over the last 30 days, though only 17% of days saw any activity at all. Most posts go out around 01:00 UTC, and Friday is the busiest day of the week. Of the 40 posts sampled, 100% carry an image or video. The account's strongest tracked post pulled 40 interactions, about 6.7x its own typical post.
Measured over 40 original posts from a 30-day window, last computed on September 26, 2026. Recurring tag: #cowx.
Compared with accounts its own size
NWS Boulder's engagement rate beats 11% of the tracked X accounts closest to it in follower count (20,444 accounts, accounts of similar size (decile 8 of 10)). A percentile is spread evenly by construction, so 50 really is the middle of that group and 90 really is its top tenth.
On engagement per impression rather than per follower it beats 8% of the same group. When those two numbers disagree, the gap is about how far its posts travel rather than how people react to them.
Where this sits in the catalog
At 0.004%, NWS Boulder sits above the 10th percentile of the 205,261 accounts in this comparison. That places it in the bottom 25% band, which runs below 0.024%.
Show the percentile table
| Percentile | Engagement rate |
|---|---|
| 10th percentile | 0.004% |
| 25th percentile | 0.024% |
| 50th percentile | 0.143% |
| 75th percentile | 0.678% |
| 90th percentile | 2.55% |
| 99th percentile | 82.4% |
This ruler is the whole measured catalog, not a size-matched group: it shows where the raw rate falls across every account we can measure, all of which are large. For a like-for-like comparison, read the size-band percentile above instead. See how the bands are built
Posting timing
This account posts most often around 01:00 UTC, and Friday is its busiest day of the week. The bars below are the catalog-wide pattern, with this account's own busiest slot marked. They do not show how this account performs at each hour: we keep one aggregate per account, not one per hour, so that measurement does not exist in our data.
Show engagement by hour posted, utc as a table
| Hour (UTC) | Vs author median | Posts |
|---|---|---|
| 00:00 UTC | -1% | 89K |
| 01:00 UTC | -2% | 90K |
| 02:00 UTC | -3% | 88K |
| 03:00 UTC | -4% | 94K |
| 04:00 UTC | -5% | 76K |
| 05:00 UTC | -4% | 75K |
| 06:00 UTC | -5% | 86K |
| 07:00 UTC | -5% | 93K |
| 08:00 UTC | -4% | 108K |
| 09:00 UTC | -4% | 124K |
| 10:00 UTC | -3% | 129K |
| 11:00 UTC | -3% | 141K |
| 12:00 UTC | -3% | 154K |
| 13:00 UTC | -3% | 167K |
| 14:00 UTC | -4% | 173K |
| 15:00 UTC | -2% | 176K |
| 16:00 UTC | -3% | 171K |
| 17:00 UTC | -3% | 159K |
| 18:00 UTC | -2% | 149K |
| 19:00 UTC | -2% | 141K |
| 20:00 UTC | -1% | 131K |
| 21:00 UTC | 0% | 116K |
| 22:00 UTC | -2% | 100K |
| 23:00 UTC | -1% | 90K |
Show engagement by day of week as a table
| Day | Vs author median | Posts |
|---|---|---|
| Sunday | +5% | 393K |
| Monday | +1% | 483K |
| Tuesday | -2% | 520K |
| Wednesday | -3% | 472K |
| Thursday | -2% | 430K |
| Friday | -3% | 447K |
| Saturday | +2% | 393K |
Formats this account uses
Its own posting mix on the left, and what each of those formats does across every account we track on the right. Only formats where the effect clears our publish test appear here, so an empty row is a format we could not measure rather than one that does nothing.
| Format | This account | Catalog effect | 95% interval | Accounts behind it |
|---|---|---|---|---|
| Image or video | 100% of posts | +111% | +108% to +115% | 34K |
| Outbound link | 0% of posts | -41% | -42% to -40% | 32K |
| Typical length | - | no effect | -2% to -1% | 42K |
- 100% of this account's sampled posts carry an image or video. Across the catalog, posts with an image or video run 111% above the same accounts' other posts.
- 0% of its posts carry a link off X. Across the catalog, posts with an outbound link run 41% below the same accounts' other posts.
- Its average post runs 181 characters, which falls in the 180 - 280 characters band. Across the catalog, posts of 180 to 280 characters match the same accounts' other posts almost exactly.
These are catalog-wide differences applied to this account's own posting mix, not a measurement of how each format performs for this account specifically. We keep one median per account, not one per format per account, so the second thing is not something this data can tell you.
Best tweets
- Sep 25, 20266.7x their median
Fog is impacting the commute in some areas north and east of Denver. This image from Highway 85 just south of Greeley. Use caution and slow down when driving in the fog. #COwx https://t.co/CNoT0sQCTL
- Sep 25, 20265.2x their median
🌧️ Rain Tonight →⛈️ Showers & Storms Friday → 🌞Warmer & Drier Weekend Scattered showers continue tonight, with locally heavy rainfall possible across the northern foothills. Fog to develop late tonight across the lower elevations, with improvement by mid-morning. #COwx https://t.co/ZntUN1koCQ
- Sep 24, 20264.5x their median
☁️🌧️Scattered showers are possible this afternoon and evening across most of the area. High temperatures will be below average under mostly cloudy skies. #COwx https://t.co/bJqZuVrRvw
- Sep 23, 20264.5x their median
🌧️☁️ Expect mostly cloudy skies today with highs in the 50s and 60s for the high country and upper 70s to low 80s for the plains. Scattered afternoon showers/storms with more widespread showers/storms this evening and a low flooding risk for southern parts of our area. #cowx https://t.co/2S1r9qeOsW
- Sep 22, 20264.5x their median
🌔 Overnight Lows 🌔 Low temperatures tonight will be in the mid-30s to low 40s in the mountains and the low 50s across the plains & urban corridor. Skies will be mostly clear with some scattered clouds. #cowx https://t.co/rq4Ata41nc
- Sep 21, 20264.3x their median
Today will be the coolest day of the week, with generally dry conditions prevailing regionwide. Expect slightly milder temperatures on Tuesday, with potential for isolated afternoon showers, favoring the high country. #COwx https://t.co/gGVcqpa72v
- Sep 23, 20263.8x their median
🌧️🌧️Scattered showers/thunderstorms are possible this afternoon. Rain chances increase areawide tonight. The Palmer Divide and southeast plains are at the greatest risk for isolated instances of flash flooding this evening and overnight. #COwx https://t.co/7MOo5XpvK7
- Sep 24, 20263.3x their median
🌧️ Scattered showers possible early this morning and then again this afternoon. Highest chances for the Palmer Divide and high country. Rain chances continue on Friday before a warmup into the low to mid 80s on the plains for Saturday under mostly sunny skies. #COwx https://t.co/ivv4Z0IggE
- Sep 22, 20263.2x their median
Warmer today. The high country today will see a few afternoon and evening showers and thunderstorms, while most of the lower elevations stay dry (albeit with a slim ~15% chance of a brief shower or sprinkle). Precipitation chances increase regionwide Wed into Thu. #COwx https://t.co/p3Z6CemaVP
- Sep 25, 20262.8x their median
Extended Outlook: Rain/t-storm chances today before a warmup into the low to mid 80s on the plains for Saturday under mostly sunny skies. Sunday will be another day with temperatures in the 80s with a slight increase in cloud cover. High country temps in the 50s and 60s. #COwx https://t.co/bC3gkkNcwP
Ranked by total interactions across everything we have tracked for this account, which is a longer history than the 30-day window the rates above use. The multiple compares each post to this account's own median.
Recurring topics
The most frequent hashtags in the sampled posts. They describe what this account writes about; they are not a performance signal, and the catalog-wide breakdown on the hub shows how little hashtag count moves.
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Reading these numbers
A typical post picks up 6 interactions against 148K followers, an engagement rate of 0.004%. Measured over 40 original posts, its engagement rate beats 11% of 20,444 tracked accounts of a similar size. That is a reason to look at how the audience behaves - reply depth, saves, whether the followers are recent - rather than a conclusion about it on its own. Posts are seen about 3.8K times each, and 0.143% of those impressions turn into an interaction. That is about 2.60% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 1.3 post a day over the last 30 days, though only 17% of days saw any activity at all. Most posts go out around 01:00 UTC, and Friday is the busiest day of the week. Of the 40 posts sampled, 100% carry an image or video. The account's strongest tracked post pulled 40 interactions, about 6.7x its own typical post.
- What is NWS Boulder's engagement rate on X?
- NWS Boulder (@NWSBoulder) has an engagement rate of 0.004%, based on the median interactions across 40 original posts from the last 30 days against 147,798 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
- Is that a good engagement rate?
- At 0.004%, NWS Boulder sits above the 10th percentile of the 205,261 accounts in this comparison. Those comparison accounts are all large ones, because our scanning cadence is weighted towards big accounts, so this is a ranking among peers of similar scale rather than a ranking across X.
- Does @NWSBoulder have real engagement?
- Its engagement rate beats 11% of the tracked X accounts closest to it in follower count (20,444 accounts), which puts it in the bottom quarter for its size group. Ranking inside a size band matters because engagement rate falls as accounts grow, so a raw rate would mostly re-measure the follower count. It is a starting point for a look at follower quality, not a verdict on it.
- When does @NWSBoulder post?
- Most posts go out around 01:00 UTC, and Friday is its busiest day, at roughly 1.33 posts per day across the measured window.