(Left) The silver colored item in the photo collects the rain water. Each side holds 0.01" and is built like a teeter-totter. When one side fills the weight of the water causes it to drop onto an electrical contact that records the amount and the water drains out of the unit.
The following report is from the National Weather Service in Hanford, California.
PUBLIC INFORMATION STATEMENT NATIONAL WEATHER SERVICE HANFORD CA 557 AM PDT THU OCT 29 2015 ...RAINFALL REPORTS PAST 48 HOURS ... LOCATION AMOUNT TIME/DATE ELEVATION ...FOOTHILLS... COULTERVILLE DRY CREEK 0.36 IN 0515 AM 10/29 728 FT MARIPOSA USONA RIDGE 0.34 IN 0547 AM 10/29 2749 FT SW OAKHURST 0.32 IN 0546 AM 10/29 2322 FT METCALF GAP 0.32 IN 0502 AM 10/29 3118 FT SMITH PEAK 0.32 IN 0516 AM 10/29 3871 FT NORTHFORK TEAFORD SADDLE 0.29 IN 0546 AM 10/29 3093 FT JERSEYDALE 0.29 IN 0447 AM 10/29 3749 FT BASS LAKE MARINA 0.28 IN 0550 AM 10/29 3425 FT CATHEYS VALLEY 0.25 IN 0527 AM 10/29 1233 FT OAKHURST MIAMI HIGHLANDS 0.23 IN 0550 AM 10/29 2549 FT BASS LAKE 0.22 IN 0546 AM 10/29 3553 FT COARSEGOLD RANCHO RAMON 0.21 IN 0546 AM 10/29 1624 FT NORTHFORK 0.19 IN 0540 AM 10/29 3133 FT ...SAN JOAQUIN VALLEY... LAKE MCCLURE 0.65 IN 0515 AM 10/29 878 FT GUSTINE AIRPORT 0.25 IN 0549 AM 10/29 79 FT SAN LUIS NWR 0.22 IN 0531 AM 10/29 65 FT MERCED AIRPORT 0.18 IN 0453 AM 10/29 153 FT NORTHEAST MERCED 0.15 IN 0538 AM 10/29 177 FT OWENS CREEK DAM 0.14 IN 0500 AM 10/29 424 FT BEAR CK RSVA 0.13 IN 0500 AM 10/29 319 FT BEAR CREEK BELOW BEAR DAM 0.13 IN 0515 AM 10/29 331 FT LOS BANOS 0.13 IN 0544 AM 10/29 104 FT MARIPOSA CK D 0.13 IN 0500 AM 10/29 459 FT BURNS CREEK DAM 0.11 IN 0500 AM 10/29 319 FT BURNS CREEK BELOW BURNS DAM 0.11 IN 0515 AM 10/29 275 FT NORTH CLOVIS 0.11 IN 0548 AM 10/29 374 FT FRIANT 0.09 IN 0538 AM 10/29 662 FT 7 SW LOS BANOS 0.09 IN 0515 AM 10/29 350 FT MADERA AIRPORT 0.09 IN 0453 AM 10/29 253 FT LOS BANOS 0.07 IN 0345 AM 10/29 103 FT FRESNO AIR TERMINAL 0.06 IN 0453 AM 10/29 333 FT SAN LUIS DAM 0.06 IN 0502 AM 10/29 323 FT PANOCHE ROAD RAWS 0.05 IN 0427 AM 10/29 2055 FT EAST LOS BANOS 0.03 IN 0534 AM 10/29 69 FT FIREBAUGH 0.02 IN 0500 AM 10/29 223 FT SANTA RITA PEAK 0.02 IN 0457 AM 10/29 5000 FT ...SIERRA NEVADA... CRANE FLAT 0.66 IN 0500 AM 10/29 6634 FT HETCH HETCHY 0.59 IN 0445 AM 10/29 4981 FT WHITE WOLF 0.40 IN 0453 AM 10/29 8000 FT FISH CAMP 0.36 IN 0532 AM 10/29 4980 FT MIAMI MOUNTAIN 0.34 IN 0459 AM 10/29 4267 FT MINARETS 0.33 IN 0459 AM 10/29 5313 FT BEARTRAP MEADOW 0.20 IN 0515 AM 10/29 6733 FT HIGH SIERRA 0.13 IN 0451 AM 10/29 7431 FT FISH CAMP 0.12 IN 0530 AM 10/29 5108 FT OBSERVATIONS ARE COLLECTED FROM A VARIETY OF SOURCES WITH VARYING EQUIPMENT AND EXPOSURE. NOT ALL DATA LISTED ARE CONSIDERED OFFICIAL. NWS HANFORD CA
