thresholds in custom bash script

#!/bin/bash

snmp=$(/usr/local/nagios/libexec/check_snmp -H $1 -C 'Community_String' -o .1.3.6.1.4.1.674.10892.1.700.20.1.6.1.1 -w 110 -c 115|cut -b 11-14)

temp=$(/bin/echo "$snmp / 10" | /usr/bin/bc)

if [ $temp -lt 28 ] ; then
/bin/echo "Input Temperature OK - $temp | iso.1.3.6.1.4.1.674.10892.1.700.20.1.6.1.1=$temp"

elif [ $temp -ge 28 ] ; then
/bin/echo "Input Temperature WARNING - *$temp* | iso.1.3.6.1.4.1.674.10892.1.700.20.1.6.1.1=$temp"

elif [ $temp -ge 33 ] ; then
/bin/echo "Input Temperature CRITICAL - *$temp* | iso.1.3.6.1.4.1.674.10892.1.700.20.1.6.1.1=$temp"

else
/bin/echo "Temperature Input problem - No data received from host"

fi