❄
MeltLogic V2.2
Weather-responsive roof cable control
Spooner, WI  ·  ZIP 54801
Polls every 1h  ·  4 devices simulated

Devices

SOUTH (S, 100 ft)
ZIP 54801
OFF OFF
Est. snow depth: 0.5 in
SDI: 0.55  ·  Orient. mult: 1.65× (Mar)  ·  Season: 1.443×
Decay multiplier: 0.45×  ↑ slower (roof holds snow)
Last report: 6" obs / 4.1" est
Update snow depth:
Last ON: Mar 20, 11:00 AM CT
EAST (E, 100 ft)
ZIP 54801
OFF OFF
Est. snow depth: 1.9 in
SDI: 2.07  ·  Orient. mult: 1.12× (Mar)  ·  Season: 1.443×
Decay multiplier: 0.47×  ↑ slower (roof holds snow)
Last report: 7" obs / 4.9" est
Update snow depth:
Last ON: Mar 20, 11:00 AM CT
NORTH (N, 100 ft)
ZIP 54801
OFF OFF
Est. snow depth: 2.2 in
SDI: 2.38  ·  Orient. mult: 0.8× (Mar)  ·  Season: 1.443×
Decay multiplier: 0.51×  ↑ slower (roof holds snow)
Last report: 7" obs / 5.2" est
Update snow depth:
Last ON: Mar 20, 11:00 AM CT
WEST (W, 100 ft)
ZIP 54801
OFF OFF
Est. snow depth: 1.8 in
SDI: 1.94  ·  Orient. mult: 1.3× (Mar)  ·  Season: 1.443×
Decay multiplier: 0.47×  ↑ slower (roof holds snow)
Last report: 7" obs / 5" est
Update snow depth:
Last ON: Mar 20, 11:00 AM CT

SDI & Conditions (Last 24h)

MeltLogic — SDI Accumulation (Last 24h)
Spooner, WI (54801)  ·  CT times  ·  Generated 2026-03-20 21:21 UTC
Conditions & Multipliers (Last 24h)
Temperature · Liquid equivalent precip · Season / Orientation / Rain / Decay multipliers

Savings + Carbon

Baseline kWh
1031.63
MeltLogic kWh
351
Energy saved
680.63 kWh
Cost avoided (@ $0.15/kWh)
$102.09
CO₂ avoided (@ 0.7 lbs/kWh)
476.44 lbs

Tools & Simulators

🛰️
SDI Simulator
Model snow depth index scenarios
→

Recent Events (last 10 ticks)

Time (CT)TempCloud SouthEastNorthWest Changed
Mar 20, 4:00 PM 61.6°F 89% OFF OFF
SDI 0.55 · 0.5"
 OFF OFF
SDI 2.07 · 1.9"
 OFF OFF
SDI 2.38 · 2.2"
 OFF OFF
SDI 1.94 · 1.8"
 —
Mar 20, 3:00 PM 61°F 61% OFF OFF
SDI 0.81 · 0.7"
 OFF OFF
SDI 2.33 · 2.2"
 OFF OFF
SDI 2.65 · 2.4"
 OFF OFF
SDI 2.2 · 2"
 —
Mar 20, 2:00 PM 59.2°F 17% OFF OFF
SDI 1.15 · 1"
 OFF OFF
SDI 2.63 · 2.4"
 OFF OFF
SDI 2.94 · 2.7"
 OFF OFF
SDI 2.52 · 2.3"
 —
Mar 20, 1:00 PM 55.7°F 10% OFF OFF
SDI 1.63 · 1.5"
 OFF OFF
SDI 2.99 · 2.8"
 OFF OFF
SDI 3.24 · 2.9"
 OFF OFF
SDI 2.93 · 2.7"
 —
Mar 20, 12:00 PM 51.4°F 19% OFF OFF
SDI 2.14 · 1.9"
 OFF OFF
SDI 3.37 · 3.1"
 OFF OFF
SDI 3.54 · 3.2"
 OFF OFF
SDI 3.35 · 3"
 —
Mar 20, 11:00 AM 49.4°F 69% ON THAW_GUARD
SDI 2.61 · 2.4"
 ON THAW_GUARD
SDI 3.73 · 3.5"
 ON THAW_GUARD
SDI 3.84 · 3.5"
 ON THAW_GUARD
SDI 3.76 · 3.4"
 —
Mar 20, 10:00 AM 48.4°F 52% ON THAW_GUARD
SDI 2.68 · 2.4"
 ON THAW_GUARD
SDI 3.79 · 3.5"
 ON THAW_GUARD
SDI 3.9 · 3.5"
 ON THAW_GUARD
SDI 3.82 · 3.5"
 —
Mar 20, 9:00 AM 45.1°F 34% ON THAW_GUARD
SDI 2.76 · 2.5"
 ON THAW_GUARD
SDI 3.86 · 3.6"
 ON THAW_GUARD
SDI 3.96 · 3.6"
 ON THAW_GUARD
SDI 3.89 · 3.5"
 —
Mar 20, 8:00 AM 41.6°F 97% ON THAW_GUARD
SDI 2.85 · 2.6"
 ON THAW_GUARD
SDI 3.93 · 3.6"
 ON THAW_GUARD
SDI 4.03 · 3.7"
 ON THAW_GUARD
SDI 3.97 · 3.6"
 —
Mar 20, 7:00 AM 38.8°F 100% ON THAW_GUARD
SDI 2.9 · 2.6"
 ON THAW_GUARD
SDI 3.99 · 3.7"
 ON THAW_GUARD
SDI 4.09 · 3.7"
 ON THAW_GUARD
SDI 4.03 · 3.7"
 —

Timestamps in America/Chicago (CT). Run php cron.php to force an update.