MONTHLY CLIMATOLOGICAL SUMMARY for DEC. 2025

NAME: Reynivellir 4   CITY: Reynivöllum, Selfossi   STATE:  
ELEV:    20 m  LAT:  63° 56' 13" N  LONG:  20° 59' 35" W

                   TEMPERATURE (°C), RAIN  (mm), WIND SPEED (m/s)

                                      HEAT  COOL        AVG
    MEAN                              DEG   DEG         WIND                 DOM
DAY TEMP  HIGH   TIME   LOW    TIME   DAYS  DAYS  RAIN  SPEED HIGH   TIME    DIR
------------------------------------------------------------------------------------
 1   3.6   4.5   10:20   2.5   23:10  14.7   0.0   0.0   4.4  14.8    4:30   ENE
 2   1.8   3.3   22:10  -0.4   14:30  16.5   0.0   0.0   3.1  12.5    5:20   ENE
 3   1.7   3.4    1:40  -1.4   20:30  16.7   0.0   0.0   2.9  10.7   22:40   ENE
 4   0.7   1.6   13:10  -0.5    1:40  17.6   0.0   0.0   3.9  10.7   23:10    NE
 5   2.3   3.8   13:00   0.3    5:40  15.9   0.0   0.8   3.6  10.3    7:30   ENE
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
-------------------------------------------------------------------------------------
     2.0   4.5     1    -1.4     3    81.3   0.0   0.8   3.6  14.8     1     ENE

Max >=  32.0:  0
Max <=   0.0:  0
Min <=   0.0:  3
Min <= -18.0:  0
Max Rain: 0.79 ON 05.12.25
Days of Rain: 1 (> .2 mm) 0 (> 2 mm) 0 (> 20 mm)
Heat Base:  18.3  Cool Base:  18.3  Method: Integration