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Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Monthly Precipitation Totals



Monthly Precipitation Totals


Fig. 2 - Monthly total precipitation of 30-year (1971-2000) historical average during a year.

Station Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
HOLUALOA 70
3.21
3.70
3.45
4.36
3.34
4.30
4.78
3.35
3.81
4.53
2.53
2.14
HONAUNAU 27
3.61
2.67
3.71
3.73
4.17
5.73
5.91
5.17
6.07
4.53
2.91
2.58
KAINALIU 73.2
4.04
2.68
3.73
3.99
4.51
6.33
6.64
5.80
6.73
4.63
2.77
2.62
NAPOOPOO 28
2.41
2.07
2.21
2.71
2.74
3.32
3.82
3.23
4.40
3.31
1.96
2.08
OPIHIHALE 2 24.1
3.04
2.55
3.43
2.82
3.04
3.08
3.52
3.77
4.15
3.56
2.93
2.51
PUUHONUA-O-HONAUNAU 27.4
2.54
1.60
1.66
1.95
1.98
2.41
2.50
2.33
2.61
2.25
1.68
1.74


Table 1 - Monthly total precipitataion of 30-year (1971-2000) historical average during a year.

Both Fig. 2 and Table 1 provide the climatorical average of the monthly total precipitation at six stations. There are annual cycles at every station, with maximum precipitation taking place in the summer months.
 

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