St. Thomas precipitation total for the week was 0.67 inch at the Cyril E. King Airport and 0.72 inch at the CoCoRaHS station at Anna’s Retreat. For the month-to-date, the airport had 2.10 inches of rain, which is 126.5% of normal January precipitation. The CoCoRaHS station was slightly higher at 3.47 inches of rain. SPI values at all levels indicated drought free conditions for St. Thomas.
St. Croix’s airport precipitation for the week was only 0.29 inch of rain; however, the CoCoRaHS station at Christiansted was higher at 1.02 inches. The month-to-date rainfall of 2.23 inches at the airport was 147.7% of normal January precipitation. The CoCoRAHS station had 2.5 inches of rain for the month-to-date. However, SPI values at the 3, 9, and 12 months indicated moderate drought conditions, while the 6 month SPI value (-1.44) indicated severe drought. For this week, moderate drought continued in St. Croix.
This week’s precipitation total was 1.47 inches at Windswept Beach. The month-to-date precipitation of 3.81 inches was 130.0% of normal precipitation and the wettest January since 2008 and, as of January 21, the sixth wettest January since 1993. January 1996 is the wettest January with 5.98 inches of rain for the month. SPI values at all levels indicate drought free conditions for this location. For this reason drought free conditions were unchanged for St. John this week.