GWC’s Weather Week That Was – April 6 – 12, 2025
Greg’s Weather Center – Data for the Week of April 6-12, 2025
Location: South Plainfield, NJ
Latitude: 40.58 N
Longitude: 74.42 W
Date | High Temp | Low Temp | Diurnal Range | Rainfall | Peak Rainfall Rate | High Pressure | Low Pressure |
4/6/2025 | 56 | 44 | 12 | 0.22 | 2.29 | 29.94 | 29.75 |
4/7/2025 | 50 | 38 | 12 | 0.21 | 0.14 | 29.83 | 29.63 |
4/8/2025 | 46 | 34 | 12 | 0.01 | 0.01 | 30.03 | 29.56 |
4/9/2025 | 49 | 28 | 21 | 0.00 | 0.00 | 30.26 | 30.17 |
4/10/2025 | 54 | 34 | 20 | 0.00 | 0.00 | 30.30 | 30.18 |
4/11/2025 | 45 | 41 | 4 | 0.60 | 0.22 | 30.19 | 29.96 |
4/12/2025 | 41 | 36 | 5 | 0.84 | 0.59 | 29.93 | 29.89 |
Temperature for the Week of April 6-12, 2025
- Average High Temperature: 48.7 degrees
- Max Temperature: 56 degrees on April 6th
- Min Temperature: 28 degrees on April 9th

Diurnal Range for the Week of April 6-12, 2025
NOTE: The diurnal range of temperature is the difference between the high temperature and low temperature on a given day.
- Average Diurnal Range of Temperature: 12.3 degrees
- Max Diurnal Range: 21 on April 9th
- Min Diurnal Range: 4 on April 11th

Rainfall for the Week of April 6-12, 2025
- Average Daily Rainfall: 0.27 inches
- Max Rainfall: 0.84 inches on April 12th
- Min Rainfall: 0.00 inches on April 9th and 10th.
- Peak Rainfall Rate: 2.29 inches per hour on April 6th

Pressure for the Week of April 6-12, 2025
- Max Pressure: 30.30 on April 10th
- Min Pressure: 29.56 on April 8th
- Largest Pressure Drop: 0.42 of an inch or 14 millibars from midnight on April 6th to 4:44 AM on April 8th
- Largest Pressure Rise: 0.68 of an inch or 23.3 millibars from 4:44 AM on April 8th to 10:20 AM on April 9th

Summary
The first full week of April was one that is often typical of early Spring. Very unsettled weather throughout the week. There wasn’t much change in temperature or sky conditions for much of the week. The diurnal range of temperature was fairly low for the entire week, and was 12 degrees on three straight days. Conditions were mostly cool and damp with the high for the week only reaching into the mid 50s with measurable rain on 5 of the 7 days. A coastal low developed towards the end of the week, and brought with it nearly an inch and a half of rain.