370896 - BLOCK ISLAND STATE ARPT, Rhode Island

Latitude
41° 10´N
Longitude
71° 35´W
Elevation
34 meters

COOP Northeast

Rhode Island
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Main
10 nearest COOP Northeast stations
19 miNW :WESTERLY 1 W, RI
19 miNNW :WOOD RIVER JUNCTION, RI
21 miWSW :MONTAUK, NY
22 miN :KINGSTON, RI
24 miNNE :FORT ADAMS, RI
26 miN :SLOCUM, RI
26 miNNE :NEWPORT ROSE, RI
27 miNNE :NEWPORT WATER WORKS, RI
27 miWNW :GROTON, CT
28 miNE :MIDDLETOWN 2 NE NEWPORT, RI

Weather variables    Help
Click a weather variable name to jump down to those statistics.
Total
observations
%
NDJFM
observations
%
TMAX
17120
93.7%
7108
94.0%
TMIN
17099
93.6%
7103
93.9%
PRCP
17033
93.3%
7042
93.1%
SNOW
12649
69.3%
5074
67.1%




TMAX     Help     top of page

TMAX
observations
mean
std dev
   
Distribution
during extreme days of
NDJFM
7108  by year
42.8°F
9.6°F
   
overall
NAM
PNA
CTI

TMAX and NAM    Help
scatterplot
days
by month
mean
NAM index
extreme high
NAM days
extreme low
NAM days
ratio of extreme
high:low NAM days
Extreme high events
Days with TMAX>=57°F
538
0.18
83
35
2.4*
map
table
Extreme low events
Days with TMAX<=28°F
508
-0.40
76
146
1.9*
map
table

TMAX and PNA    Help
scatterplot
days
by month
mean
PNA index
extreme high
PNA days
extreme low
PNA days
ratio of extreme
high:low PNA days
Extreme high events
Days with TMAX>=57°F
538
-0.14
44
76
1.7*
map
table
Extreme low events
Days with TMAX<=28°F
508
0.46
136
58
2.3*
map
table

TMAX and CTI    Help
days
by month
high CTI days
(moderate to strong
El Niño winters)
low CTI days
(moderate to strong
La Niña winters)
ratio of high:low CTI
(El Niño:La Niña days)
Extreme high events
Days with TMAX>=57°F
538
87
93
1.1
map
table
Extreme low events
Days with TMAX<=28°F
508
59
73
1.2
map
table

TMAX under 2 index extremes     Help
Station table Maps - choose one extreme:
High NAMLow NAM High PNALow PNA High CTILow CTI




TMIN     Help     top of page

TMIN
observations
mean
std dev
   
Distribution
during extreme days of
NDJFM
7103  by year
30.7°F
10.0°F
   
overall
NAM
PNA
CTI

TMIN and NAM    Help
scatterplot
days
by month
mean
NAM index
extreme high
NAM days
extreme low
NAM days
ratio of extreme
high:low NAM days
Extreme low events
Days with TMIN<=15°F
530
-0.16
101
127
1.3
map
table
Extreme high events
Days with TMIN>=45°F
572
0.16
80
46
1.7*
map
table

TMIN and PNA    Help
scatterplot
days
by month
mean
PNA index
extreme high
PNA days
extreme low
PNA days
ratio of extreme
high:low PNA days
Extreme low events
Days with TMIN<=15°F
530
0.40
145
68
2.1*
map
table
Extreme high events
Days with TMIN>=45°F
572
-0.22
35
79
2.3*
map
table

TMIN and CTI    Help
days
by month
high CTI days
(moderate to strong
El Niño winters)
low CTI days
(moderate to strong
La Niña winters)
ratio of high:low CTI
(El Niño:La Niña days)
Extreme low events
Days with TMIN<=15°F
530
79
78
1.0
map
table
Extreme high events
Days with TMIN>=45°F
572
107
104
1.0
map
table

TMIN under 2 index extremes     Help
Station table Maps - choose one extreme:
High NAMLow NAM High PNALow PNA High CTILow CTI




PRCP (total liquid water equivalent)     Help     top of page

PRCP
observations
mean
   
Distribution
during extreme days of
NDJFM
7042  by year
0.12"
   
overall
NAM
PNA
CTI

PRCP and NAM    Help
scatterplot
days
by month
mean
mean
NAM index
extreme high
NAM days
extreme low
NAM days
ratio of extreme
high:low NAM days
Observed events
Days with PRCP>0.00"
2341
0.37"
-0.02
361
382
1.1
map
table
Extreme events
Days with PRCP>0.60"
461
1.14"
0.02
74
75
1.0
map
table

PRCP and PNA    Help
scatterplot
days
by month
mean
mean
PNA index
extreme high
PNA days
extreme low
PNA days
ratio of extreme
high:low PNA days
Observed events
Days with PRCP>0.00"
2341
0.37"
-0.02
399
417
1.0
map
table
Extreme events
Days with PRCP>0.60"
461
1.14"
0.25
103
55
1.9*
map
table

PRCP and CTI    Help
days
by month
mean
high CTI days
(moderate to strong
El Niño winters)
low CTI days
(moderate to strong
La Niña winters)
ratio of high:low CTI
(El Niño:La Niña days)
Observed events
Days with PRCP>0.00"
2341
0.37"
350
428
1.2*
map
table
Extreme events
Days with PRCP>0.60"
461
1.14"
85
74
1.1
map
table

PRCP under 2 index extremes     Help
Station table Maps - choose one extreme:
High NAMLow NAM High PNALow PNA High CTILow CTI




SNOW     Help     top of page

SNOW
observations
mean
   
Distribution
during extreme days of
NDJFM
5074  by year
0.13"
   
overall
NAM
PNA
CTI

SNOW and NAM    Help
scatterplot
days
by month
mean
mean
NAM index
extreme high
NAM days
extreme low
NAM days
ratio of extreme
high:low NAM days
Observed events
Days with SNOW>0.0"
433
1.55"
-0.30
58
105
1.8*
map
table
Extreme events
Days with SNOW>2.2"
85
4.81"
-0.34
8
25
3.1*
map
table

SNOW and PNA    Help
scatterplot
days
by month
mean
mean
PNA index
extreme high
PNA days
extreme low
PNA days
ratio of extreme
high:low PNA days
Observed events
Days with SNOW>0.0"
433
1.55"
0.09
92
82
1.1
map
table
Extreme events
Days with SNOW>2.2"
85
4.81"
0.40
23
10
2.3
map
table

SNOW and CTI    Help
days
by month
mean
high CTI days
(moderate to strong
El Niño winters)
low CTI days
(moderate to strong
La Niña winters)
ratio of high:low CTI
(El Niño:La Niña days)
Observed events
Days with SNOW>0.0"
433
1.55"
41
94
2.3*
map
table
Extreme events
Days with SNOW>2.2"
85
4.81"
14
19
1.4
map
table

SNOW under 2 index extremes     Help
Station table Maps - choose one extreme:
High NAMLow NAM High PNALow PNA High CTILow CTI