Scientific Investigations Report 2007–5038
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5038
Table 12. Monthly precipitation and dual-coefficient FAO Penman-Monteith recharge using daily values, 1995–2005, Coeur D’Alene 1E, Idaho.
[Western Regional Climate Center (2006a, 2006b), U.S. Department of Commerce (2006). Mean precipitation values are through December 31, 2005. Abbreviations: in., inch; ratio, recharge to precipitation ratio; –, missing data or value not calculated]
| 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | Period of record mean | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| January | Precipitation (in.) | – | – | – | – | – | – | 1.4 | 3.7 | 8.7 | 3.6 | 3.9 | 1.2 | 2.6 | 3.6 | 3.8 | 1.8 | 3.4 |
| Recharge (in.) | – | – | – | – | – | – | .65 | 2.8 | 7.7 | 2.8 | 3.2 | .70 | 1.6 | 2.8 | 3.2 | 1.1 | ||
| Ratio (percent) | – | – | – | – | – | – | 47 | 76 | 88 | 78 | 82 | 57 | 63 | 78 | 83 | 62 | ||
| February | Precipitation (in.) | – | – | – | – | – | – | 3.9 | 2.3 | 1.2 | 5.8 | 3.2 | 1.9 | 1.7 | .90 | – | .04 | 2.5 |
| Recharge (in.) | – | – | – | – | – | – | 2.6 | 1.2 | .01 | 4.4 | 2.0 | .94 | .89 | .31 | – | .00 | ||
| Ratio (percent) | – | – | – | – | – | – | 66 | 53 | 1 | 75 | 63 | 49 | 53 | 34 | – | 0 | ||
| March | Precipitation (in.) | – | – | – | – | – | – | – | 4.4 | – | 1.1 | 2.4 | 1.5 | 2.2 | 3.1 | 1.3 | 2.8 | 2.3 |
| Recharge (in.) | – | – | – | – | – | – | – | 2.6 | – | .00 | .55 | .01 | .44 | .55 | .18 | .49 | ||
| Ratio (percent) | – | – | – | – | – | – | – | 60 | – | 0 | 23 | 1 | 20 | 17 | 14 | 17 | ||
| April | Precipitation (in.) | – | – | – | – | – | – | 3.3 | 3.2 | – | 1.1 | 3.0 | 1.8 | 2.0 | 1.5 | – | 1.1 | 1.7 |
| Recharge (in.) | – | – | – | – | – | – | .48 | .08 | – | .00 | .59 | .00 | .00 | .00 | – | .00 | ||
| Ratio (percent) | – | – | – | – | – | – | 14 | 2 | – | 0 | 20 | 0 | 0 | 0 | – | 0 | ||
| May | Precipitation (in.) | – | – | – | – | – | – | 2.2 | 3.0 | 3.7 | 1.0 | 2.6 | 2.6 | 2.1 | 3.1 | 2.8 | 2.4 | 2.0 |
| Recharge (in.) | – | – | – | – | – | – | .00 | .00 | .63 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | ||
| Ratio (percent) | – | – | – | – | – | – | 0 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| June | Precipitation (in.) | – | – | – | – | – | – | 2.1 | 3.0 | .8 | 1.3 | 1.5 | 1.8 | 1.7 | .8 | .8 | – | 1.8 |
| Recharge (in.) | – | – | – | – | – | – | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | – | ||
| Ratio (percent) | – | – | – | – | – | – | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | – | ||
| July | Precipitation (in.) | – | – | – | – | – | – | .82 | 2.7 | .88 | .26 | .12 | .38 | .26 | .22 | .12 | 1.5 | .7 |
| Recharge (in.) | – | – | – | – | – | – | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | ||
| Ratio (percent) | – | – | – | – | – | – | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| August | Precipitation (in.) | – | – | – | – | – | – | .45 | .53 | .64 | 2.5 | .01 | .05 | .38 | .58 | 2.0 | .63 | .9 |
| Recharge (in.) | – | – | – | – | – | – | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | ||
| Ratio (percent) | – | – | – | – | – | – | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| September | Precipitation (in.) | – | – | – | – | – | – | 1.2 | 1.2 | .98 | .14 | 2.0 | .48 | .37 | 1.6 | 1.4 | .65 | 1.3 |
| Recharge (in.) | – | – | – | – | – | – | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | ||
| Ratio (percent) | – | – | – | – | – | – | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| October | Precipitation (in.) | – | – | – | – | – | – | 5.0 | 4.5 | .63 | 2.0 | 1.2 | 2.8 | .39 | 1.5 | 1.8 | 3.2 | 2.0 |
| Recharge (in.) | – | – | – | – | – | – | 2.0 | .81 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .68 | ||
| Ratio (percent) | – | – | – | – | – | – | 39 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | ||
| November | Precipitation (in) | – | – | – | – | – | 2.8 | 4.5 | 3.0 | 5.2 | 2.9 | 2.4 | 3.3 | 2.3 | 2.9 | 2.2 | – | 3.1 |
| Recharge (in) | – | – | – | – | – | 1.1 | 3.5 | 1.5 | 2.7 | .88 | .35 | 1.9 | .00 | .83 | .18 | – | ||
| Ratio (percent) | – | – | – | – | – | 40 | 77 | 50 | 51 | 31 | 15 | 57 | 0 | 29 | 8 | – | ||
| December | Precipitation (in.) | – | – | – | – | – | 2.9 | 6.3 | 1.4 | 5.4 | 3.9 | 1.8 | 5.2 | 5.3 | 2.8 | 2.0 | 3.3 | 3.6 |
| Recharge (in.) | – | – | – | – | – | 2.0 | 5.5 | .69 | 4.5 | 3.1 | 1.3 | 4.6 | 4.5 | 2.3 | 1.5 | 2.8 | ||
| Ratio (percent) | – | – | – | – | – | 68 | 88 | 48 | 83 | 81 | 75 | 87 | 84 | 80 | 74 | 84 | ||
| Annual | Precipitation (in.) | – | – | – | – | – | – | – | 33 | – | 26 | 24 | 23 | 21 | 23 | – | – | 25 |
| Recharge (in.) | – | – | – | – | – | – | – | 9.7 | – | 11 | 8.0 | 8.1 | 7.4 | 6.8 | – | – | ||
| Ratio (percent) | – | – | – | – | – | – | – | 30 | – | 44 | 33 | 35 | 35 | 30 | – | – | ||
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