March 27, 2026

🌅 Morning Cycle (18:02 MDT) — iris-20260327-0000

Observations

Dry day forecast (11% outdoor RH, 82F). Tighten mist cycling from 45s to 30s gap before VPD ramp. Engage/all thresholds already at minimums from prior plan.

Setpoint Waypoints

Thursday March 26

Time	high	low	vpd_h	hyst	d_cool	engage	all	pulse	gap	wt	Notes
18:02	82	·	2	0.3	3	·	·	·	·	2	Backfilled core param for chart continui
20:00	·	60	·	·	·	·	·	·	·	·	Frost protection: outdoor forecast 31F a

Friday March 27

Time	high	low	vpd_h	hyst	d_cool	engage	all	pulse	gap	wt	Notes
06:00	·	·	·	·	·	1.2	1.5	·	30	·	Aggressive all-zone rotation early — dry
08:00	·	58	·	·	·	·	·	·	·	·	Morning warmup underway, restore normal
09:00	·	·	·	·	·	·	·	120	·	·	Keep pulse duration at 120s (max effecti
16:00	·	·	·	·	·	·	·	90	·	·	Afternoon — VPD declining, shorten pulse
18:00	·	·	·	·	·	1.4	1.8	·	45	·	Evening — relax all-zone rotation thresh

Parameters changed: mister_pulse_gap_s,mister_pulse_on_s,temp_low,vpd_mister_all_kpa,vpd_mister_engage_kpa

Outcome

Score: 5/10

Accuracy: 50%, MAE: 2.40

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7-Day Stress Context

Date	Heat (h)	VPD High (h)	Cold (h)
2026-03-21	0.1	6.3	0.0
2026-03-22	0.0	18.5	0.0
2026-03-23	1.8	6.6	0.0
2026-03-24	3.6	8.4	0.0
2026-03-25	8.7	14.2	0.0
2026-03-26	3.5	9.9	0.0
2026-03-27	0.0	0.0	0.0

End-of-Day Summary

Climate

Metric	Min	Avg	Max
Temperature (°F)	54.2	60.3	73.0
VPD (kPa)	0.22	0.51	1.11
Relative Humidity (%)	45.2	—	87.9

Stress Hours

• Heat stress (>85°F): 0.0h
• VPD stress (>2.0 kPa): 0.0h
• Cold stress (<55°F): 0.0h

Economics

Electric	Gas	Water	Total
$4.40	$0.85	$0.920	$6.17

Equipment Runtimes

Equipment	Runtime
Fan 1	90 min
Fan 2	90 min
Vent	91 min
Fog	0 min
Heat 1 (electric)	895 min
Heat 2 (gas)	82 min
Grow lights	1416 min
Mister south	0.00h
Mister west	0.00h
Mister center	0.00h

Water

• Total: 191 gal
• Mister: 0 gal

Hourly Pattern

Hour	Temp °F	VPD kPa	RH %
12:00	83.7	2.13	46.3
13:00	84.6	2.18	46.5
14:00	85.9	2.27	46.5
15:00	84.3	2.17	47.2
16:00	79.5	1.65	54.2
17:00	75.9	1.03	66.4
18:00	71.5	0.79	70.0
19:00	67.1	0.53	76.7
20:00	64.0	0.47	77.1
21:00	63.1	0.40	79.9
22:00	61.7	0.39	79.3
23:00	60.1	0.39	78.3
00:00	58.5	0.37	78.1
01:00	57.2	0.35	78.2
02:00	56.3	0.32	79.5
03:00	56.3	0.31	80.0
04:00	56.2	0.31	80.1
05:00	55.9	0.31	80.0
06:00	58.2	0.34	79.8
07:00	57.4	0.31	80.8
08:00	57.0	0.32	80.0
09:00	58.1	0.36	78.5
10:00	59.5	0.39	77.3
11:00	61.8	0.47	74.8