METEOROLOGICAL OBSERVATION 
RUTLAND COTTAGE, 37, PARKGAT 


Lat. 53° 12’ N. ; Long. 11m. 36s. W. 


MONTHLY SUMMARY 
JAN. FEB. Marcu. APRE 

PRESSURE (reduced to 32° F,, and mean sea level)— 




Mean height at 9 a.m. and 9 P.M, .......seeeeeeeeeees 29:996in.| 30°08lin.| 29°78lin. 
Highest reading .......-.seeceeseeseeceeneeeeeeenanaesereeees 30°621in.! 30°657in.| 30°548in. 
a -s Date Of. sccct oteeetacceeieaseneseco oe 23 15 23 
MEG WOSt ) sys 0 eedsisvserenesterschacansseasmesevere=ss eae" 29:332in.| 29°253in.| 28°929ia. 
F Bs AYRES (Olio cena asttecseenctresesersns.<o= 27 27 2 
MRATIGO © Sencescacceacasececeecesscenvacivossssteesassaccseocsres? 1:289in.| 1:404in.| 1:619in. 
TEMPERATURE in shade (Stevenson's screen)— 
Approximate MCAD.........scccseeseceeesneeessereeeeten es: 39°3° 370° 40:29 
Arithmetical mean .... 391° 37°02 40°3° 
Climatological ,, ...... 38°6° 34-92 40°3° 
Dry bulb (9 a.m, and p. 
Mean maximum 
Mean minimum 


Extreme maximum... ......0.c0.sseeeeee el aeds 500° 57:0° 
3 4 22 27 12 
yy MAME oss eee eeeeeeeeececceeeeeseeeeereeeeee: 216° 20°6° 23°5° 
ae 55 9 14 29 
soe (PAULO. -cccncesuceuccessaccosesurase=snarfuesesesen=- 32°8° 29°4° 33°5° 
Mean daily range ........ssessssscsscccerseeessensnnaceees 9-4° Oe 1732 
Maximum daily range .........:s-scceseecenereneeeeenees 17°3° 20°0° 20:0° 
as sy Dnt Ofis... crcasseweccsacnssen=- 22 20 22 
Minimum fod Wipicscessntivcnctacsuccbapserenaaces ss 4:0° Ros 2°82 
3 ” WRT OL. ccs vcnceccceincuvsess*« 7 18 24 
Number of nights at or below 32° ........seeeseeeeree: 10 14 10 
TEMPERATURE in sun (black bulb in vacuo)— 
Mean MAXIMUM <......0..csccccssscsecossoscsescesnensccoees 56°5° 63°32 g9-1° 
Extreme MaximMUm,....,.....scssccseeeccseseccseeeeeeeneees 79°6° 87:0° 100°0° 
a Date Ol csccses-cccvuccetsessves snes 30 2 31 
Greatest excess over shade maXimum ...........+++- 39°1? 39°69 54°4° 
” » ” “ Date of ..... 30 14 28 
Average, 








TEMPERATURE (on short grass or snow)— octEER EEE 
Mean Minimum .........cceccssecensccesesencereescenseerer’ 30°1° 277° 30°4° 
Extreme minimum cg ee ae, 
Greatest difference from shade minim 83° 119° 16°8° 
Mean ts if aoe. 43° 4° 43° 
ean 4 aoe 4 
Number of nights at or below 32° se kf ees 19 19 16 
TEMPERATURE underground— 
Wean abt dt foots... sccchercvecsetena-tsccassnanecesvatacsees*: = S 7S 
Range ie censure ; i a if 
cr a meenaians iam SS) EAD 414° | 387° 4182 
Range gg nae ceceeeeeeennssceeesncenetscecensssesesanees: : i r 
Moar ab feat oc cae eee ae ears 4sr4¢ 40°8¢ 42-6° 
Range Sp hei etatomnnccess gorenovsevevenesentermananseseg"s Q : 7 
Rican at" Took. ola... eet eee wee | a = 128° 
Range 45 eaavserencssercecnsesecsccecenccsnsesconeacce ses 5 : D 
‘Ade temperature, 0 Qtmy scolietso-ecscaccokzowsndvenee=™> 397 36:2° 401° 
Range of SUNT Sars consusss seoncmueeeesscssee==- : ‘ 4 
RAIN AND Husrry— 
Rainfall in inches .......ce.cesseceecencneseecccncescceeees 2°030 1°405 1:760 
“ oe since lst January ........0-0+---++ 3°435 5195 
Maximum fall in 24 hours ...........ceeeeeeeeeeeeeee ee “610 510 ‘270 
” ” Date () Renee Sees cceerd 19 4 2 
Number of days 0:01 fell ...........ccseeeeeeseeeeeteeeee 17 16 17 
+ a since Ist January .......-. 33 50 
Mean relative humidity, 4 DAM. onveweeebscenonageates- & e 
? PTs ceeceeeeeeeereeneeeerere 
* eof bot ..... cee 83 91 84 
Mean vapour pressure, 9 2.M. .......sesseeeesrerestreee> "192 193 +208 
S33 » PEMD oes seoccsteemetmenssses=ss ae a oe 
; : Of Both ci... cumeeersnsncesns 5 
Mion Caw POI AD Welltzs.....cscaieoscosode "| 335° 33-5° 33°42 
2 “S On TRINY, Les otteye ss -stanes | Bowe 336° 34°2° 
a * DEOL acre ose teemee tees == ers 33°35° 5a*boe 33°8° 
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