Casper, WY

The extremes of a 86-year record (1940–2025) — full calendar-year totals. The long-run average is 12.08" a year.

The seasonal rhythm — each month's normal precipitation, with this year's totals in blue. Where the blue bar clears the band, the month ran wetter than usual.

Normally wettest in May (~1.97") and driest in Dec (~0.47"). Wettest calendar month ever: May 1978, 6.46".

Every year's rainfall on each of the next 7 dates at Casper — toggle a day below. The tallest bar (ringed) is the wettest on record for that date.

Casper's cumulative rainfall so far this year against its own record — the normal accumulation, and the wettest & driest years to date. The bright line is the running total; where it rides the band tells the story at a glance.

Casper's entire daily record as one heatmap — each row a year, each cell a day, shaded by that day's rainfall. Dry spells read as dark blocks, wet seasons as brighter bands; the whole climate at a glance.

Every week of the U.S. Drought Monitor for Casper's county since 2000, coloured by intensity — dry spells and multi-year droughts read as warm bands.