Caldera emails
Caldera sends about 1 email a week through Mailchimp, most often on Friday around 1 PM Eastern.
Early figures, based on 10 emails received from Aug 19 to Oct 21, 2026.
- ESP
- Mailchimp
- Emails a week
- about 1
- Busiest send time
- Fridays at 1pm ET
- Last sent
- 9 days ago · Oct 21
- Tracked since
- Aug 2026
- Emails collected
- 10
Recent emails
Oct 21, 2026 4:28 PM
Welcome to Caldera!
Oct 16, 2026 4:47 PM
Our doors are open this Saturday
Oct 16, 2026 1:07 PM
Hearth Festival is tomorrow at Blue Lake
Oct 10, 2026 1:06 PM
Coming to Hearth Festival? Here’s what to know before you go
Oct 10, 2026 11:00 AM
1 week until Hearth Festival at Blue Lake
Oct 10, 2026 4:36 AM
Welcome to Caldera!
Recent subject lines
All subject linesSubject lines average 38 characters. Each one opens the email it came from.
| Picture | Sent (Eastern) | Subject | Preview text |
|---|---|---|---|
| Oct 21, 2026 4:28 PM | Welcome to Caldera! | Welcome to Caldera! Welcome to Caldera Welcome, Friend of Caldera You’ve taken a step… | |
| Oct 16, 2026 4:47 PM | Our doors are open this Saturday | Our doors are open this Saturday Our hearts are with Silver Rail Elementary and the Bend… | |
| Oct 16, 2026 1:07 PM | Hearth Festival is tomorrow at Blue Lake | Hearth Festival is tomorrow at Blue Lake Join us tomorrow for our fifth annual Hearth… | |
| Oct 10, 2026 1:06 PM | Coming to Hearth Festival? Here’s what to know before you go | Coming to Hearth Festival? Here’s what to know before you go Parking, what to bring, food… | |
| Oct 10, 2026 11:00 AM | 1 week until Hearth Festival at Blue Lake | 1 week until Hearth Festival at Blue Lake Parking, what to bring, food, and a few things… | |
| Oct 10, 2026 4:36 AM | Welcome to Caldera! | Welcome to Caldera! Welcome to Caldera Welcome, Friend of Caldera You’ve taken a step… | |
| Sep 29, 2026 1:06 PM | Goodness Newsletter: Why 92% Felt Connected | Goodness Newsletter: Why 92% Felt Connected What learners carried home from summer, plus… | |
| Sep 17, 2026 11:01 AM | Canoe Blue Lake, make art, and experience Caldera for yourself | Canoe Blue Lake, make art, and experience Caldera for yourself Our fifth annual Hearth… |
Archive
View full archiveSeptember 2026 3 emails
View allGoodness Newsletter: Why 92% Felt Connected
Sep 29, 2026 1:06 PM
Canoe Blue Lake, make art, and experience Caldera for yourself
Sep 17, 2026 11:01 AM
30 years of Caldera. Come celebrate with us.
Sep 4, 2026 1:05 PM
EarlierAugust
When Caldera sends
40% of its emails arrive in the 1 PM hour, with a second, smaller wave around 4 PM. Fridays are the busiest day.
| 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mon | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Tue | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wed | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Thu | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Fri | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sat | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sun | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Mon | Tue | Wed | Thu | Fri | Sat | Sun | |
|---|---|---|---|---|---|---|---|
| 12a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1a | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| 2a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4a | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 5a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 6a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 7a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 8a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 9a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 10a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 11a | 0 | 0 | 0 | 1 | 0 | 1 | 0 |
| 12p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1p | 0 | 1 | 0 | 0 | 2 | 1 | 0 |
| 2p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4p | 0 | 0 | 1 | 0 | 1 | 0 | 0 |
| 5p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 6p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 7p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 8p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 9p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 10p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 11p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
FewerMore(busiest cell: 2 emails)
Based on 10 emails received from Aug 19 to Oct 21, 2026. Times in US Eastern. How we collect · When all brands send
How often Caldera sends
The one complete month so far had 3 emails.
- Busiest month
- Sep 2026, 3
- Quietest month
- Sep 2026, 3
- Busiest day
- Friday, 3
- Quietest day
- Monday, 0
About Caldera
- ESP
- Mailchimp
- Tracked since
- Aug 2026
- Emails collected
- 10
- Emails a week
- about 1
- Last sent
- Oct 21, 2026
- Sends from
- development@
caldera.org - Subject length
- 38 characters avg
Counts include automated emails such as a welcome series.
Similar sending frequency
| Latest email | Brand | ESP | Website popularity | Emails a week | Busiest day | Last sent | |
|---|---|---|---|---|---|---|---|
 100 Lives Repertory100livesrep.org | Mailchimp | about 1 | Tuesday | Oct 27, 2026 | Mailchimp · about 1 a week · busiest Tuesday · last sent Oct 27, 2026 | ||
| Academy of American Poetspoets.org · Top 100,000 sites | Mailchimp | Top 100,000 sites | about 1 | Tuesday | Oct 30, 2026 | Mailchimp · about 1 a week · busiest Tuesday · last sent Oct 30, 2026 | |
| 45 Solutions45solutions.net | Mailchimp | about 1 | Thursday | Oct 29, 2026 | Mailchimp · about 1 a week · busiest Thursday · last sent Oct 29, 2026 |
