| CLIMATOLOGICAL DATA | HANFORD METEOROLOGY STATION 25 MILES N.W. OF RICHLAND, WA LATITUDE 46º 34'N, LONGITUDE 119º 36'W ELEVATION (GROUND) 733 FEET |
MONTH: September 1996 | |||||||||||||||
| TEMPERATURE (ºF) (3-FT LEVEL) |
PRECIPITATION | WIND (50-FT LEVEL) | FRONTS & MISC PHENOM | ||||||||||||||
| D A T E |
M A X I M U M |
M I N I M U M |
A V E R A G E |
D E P A R T U R E |
H D D 65 ºF |
C D D 65 ºF |
T O T A L IN. |
S N O W IN. |
SNOW ON GRND AT 0400 IN. |
P R E V A I L DIR |
A V E SPD MPH |
PK G U S T SPD MPH |
PK G U S T DIR |
A V E RH % |
S O L A R A D |
S K Y C V R SR TO SS |
NOTE:TYPES AND TIMES OF FRONTAL PASSAGES "KFR"(COLD) "WFR"(WARM) |
| 1 | 82 | 54 | 68 | -3 | 0 | 3 | W | 8.2 | 27 | WNW | 38 | 452 | 2 | ||||
| 2 | 82 | 54 | 68 | -3 | 0 | 3 | S | 6.6 | 24 | NW | 38 | 334 | 6 | ||||
| 3 | 84 | 52 | 68 | -2 | 0 | 3 | W | 10.0 | 35 | NW | 43 | 397 | 7 | ||||
| 4 | 77 | 47 | 62 | -8 | 3 | 0 | W | 9.8 | 29 | WNW | 43 | 397 | 5 | ||||
| 5 | 73 | 49 | 61 | -9 | 4 | 0 | W | 10.2 | 30 | WNW | 43 | 308 | 7 | ||||
| 6 | 76 | 41 | 58 | -12 | 7 | 0 | E | 5.7 | 16 | E | 49 | 375 | 9 | ||||
| 7 | 85 | 52 | 68 | -1 | 0 | 3 | T | NW | 6.4 | 23 | WNW | 44 | 426 | 5 | |||
| 8 | 89 | 60 | 74 | +5 | 0 | 9 | NW | 9.7 | 29 | NW | 44 | 435 | 2 | ||||
| 9 | 86 | 55 | 70 | +2 | 0 | 5 | W | 6.5 | 25 | E | 46 | 443 | 0 | ||||
| 10 | 90 | 52 | 71 | +4 | 0 | 6 | NW | 7.1 | 17 | N | 42 | 436 | 0 | ||||
| 11 | 94 | 64 | 79 | +12 | 0 | 14 | NW | 9.6 | 19 | WNW | 31 | 403 | 3 | DL | |||
| 12 | 91 | 64 | 78 | +12 | 0 | 13 | NW | 9.3 | 28 | NW | 40 | 311 | 6 | DL,T | |||
| 13 | 83 | 52 | 68 | +2 | 0 | 3 | T | W | 9.9 | 33 | WSW | 51 | 376 | 7 | DL,T | ||
| 14 | 78 | 56 | 67 | +2 | 0 | 2 | 0.14 | SW | 10.0 | 30 | WSW | 56 | 227 | 8 | |||
| 15 | 73 | 51 | 62 | -3 | 3 | 0 | 0.04 | W | 12.4 | 33 | WSW | 62 | 367 | 4 | KFR 0530 | ||
| 16 | 74 | 46 | 60 | -5 | 5 | 0 | 0.02 | W | 8.4 | 29 | WSW | 52 | 353 | 6 | |||
| 17 | 74 | 44 | 59 | -6 | 6 | 0 | W | 6.8 | 16 | WSW | 51 | 418 | 0 | ||||
| 18 | 70 | 44 | 57 | -7 | 8 | 0 | 0.01 | SW | 5.9 | 15 | W | 51 | 244 | 7 | |||
| 19 | 76 | 52 | 64 | 0 | 1 | 0 | NW | 11.7 | 33 | WNW | 58 | 322 | 7 | KFR 0500 | |||
| 20 | 71 | 46 | 58 | -6 | 7 | 0 | NW | 8.2 | 29 | NW | 51 | 257 | 9 | ||||
| 21 | 71 | 40 | 56 | -7 | 9 | 0 | 0.01 | W | 7.9 | 49 | NW | 56 | 361 | 5 | KFR 1630 | ||
| 22 | 69 | 37 | 53 | -10 | 12 | 0 | W | 5.8 | 16 | W | 50 | 319 | 1 | ||||
| 23 | 68 | 36 | 52 | -11 | 13 | 0 | NE | 8.0 | 21 | ENE | 46 | 332 | 9 | ||||
| 24 | 68 | 44 | 56 | -7 | 9 | 0 | NW | 6.5 | 14 | S | 42 | 266 | 10 | ||||
| 25 | 75 | 34 | 54 | -9 | 11 | 0 | NE | 5.2 | 13 | WSW | 43 | 379 | 1 | ||||
| 26 | 79 | 48 | 64 | +2 | 1 | 0 | SE | 5.7 | 18 | SSE | 39 | 342 | 7 | ||||
| 27 | 86 | 44 | 65 | +3 | 0 | 0 | NE | 4.8 | 12 | WSW | 48 | 371 | 2 | ||||
| 28 | 91 | 48 | 70 | +8 | 0 | 5 | E | 6.2 | 27 | WNW | 36 | 370 | 0 | ||||
| 29 | 92 | 51 | 72 | +11 | 0 | 7 | NW | 6.7 | 21 | WNW | 30 | 366 | 0 | ||||
| 30 | 86 | 51 | 68 | +7 | 0 | 3 | NW | 9.2 | 33 | WNW | 34 | 359 | 2 | ||||
| SUM | 99 | 79 | 0.22 | 0 | |||||||||||||
| AVG | 79.8 | 48.9 | 64.4 | 8.0 | 4.6 | ||||||||||||
| NOTES: | PRECIPITATION (IN.) | MISC. PHENOM. KEY | |||||||||
| Daily summary period is midnight to midnight PST | TOTAL FOR THE MONTH | 0.22 | A-Hail, BD-Blowing Dust, BS-Blowing Snow | ||||||||
| "T" in columns 7-9 denotes a trace | DEPARTURE FROM NORM | -0.09 | D-Dust, AU-Aurora, DL-Distant Lightning | ||||||||
| Snow in columns 8-9 is all frozen precipitation | 24HR MAX | 0.18 | ON | 14-15 | F-Fog, IC-Ice Crystals, K-Smoke | ||||||
| Solrad in coluns 15 is in Langleys; g-cal/sq. cm | NUMBER OF DAYS WITH: | GL-Glaze, T-Thunderstorm, DS-Drifting Snow | |||||||||
| TEMPERATURE (ºF) (3-FT LEVEL) | >= T | 7 | >= 0.25 | 0 | BAROMETRIC PRESSURE (IN.) | ||||||
| AVERAGE FOR THE MONTH | 64.4 | >= 0.01 | 5 | >= 0.50 | 0 | AVERAGE STATION | 29.134 | ||||
| DEPARTURE FROM NORMAL | -1.3 | >= 0.10 | 1 | >= 1.00 | 0 | MAX SEA-LEVEL | 30.26 | ON | 23 | ||
| HIGHEST | 94 | ON | 11 | SNOW (FROZEN PRECIP.) (IN.) | MIN SEA-LEVEL | 29.43 | ON | 15 | |||
| LOWEST | 34 | ON | 25 | TOTAL FOR THE MONTH | 0 | SOLAR RADIATION (LANGLEYS) | |||||
| NUMBER OF DAYS WITH: | 24HR MAX | na | ON | na | AVERAGE DAILY TOTAL | 2 | |||||
| MAXIMUM 32 OR BELOW | 0 | MAX ON GRND | na | ON | na | MAX DAILY | 452 | ON | 1 | ||
| MAXIMUM 90 OR ABOVE | 5 | WIND (50-FT LEVEL) | MIN DAILY | 227 | ON | 14 | |||||
| MINIMUM 32 OR BELOW | 0 | AVERAGE SPEED (MPH) | 8.0 | MISCELLANEOUS NUMBER OF DAYS | |||||||
| MINIMUM 0 OR BELOW | 0 | DEPARTURE FROM NORM | +0.6 | CLEAR | 12 | FOG | 0 | ||||
| HEATING DEGREE DAYS (BASE 65ºF) | PEAK GUST | NW @ 49 | ON | 21 | PARTLY CLOUDY | 13 | THDR | 2 | |||
| TOTAL FOR THE MONTH | 99 | AVERAGE PSYCHROMETRIC DATA | CLOUDY | 5 | DUST | 0 | |||||
| DEPARTURE FROM NORMAL | +21 | DRY BULB (ºF) | 64.9 | WET BULB (ºF) | 52.3 | RELATIVE HUMIDITY EXTREMES (%) | |||||
| SEASON TOTAL (SINCE JULY 1) | 102 | REL. HUM. (%) | 45.2 | DEW PT.(ºF) | 41.3 | HIGHEST | 98 | ON | 15 | ||
| SEASON DEPARTURE FROM NORM | +14 | + DENOTES LATEST OF MULTIPLE DAYS | LOWEST | 14 | ON | 30 | |||||