diff --git a/README.md b/README.md
index 03905fd..99f0aea 100644
--- a/README.md
+++ b/README.md
@@ -19,8 +19,7 @@ Prerequisites
 - SQLAlchemy (0.8.2)
 - psycopg2 (2.5.1)
 - flask-wtf (0.9.1)
-- numpy (1.7.1)
-- PostgreSQL
+- PostgreSQL (9.4+)
 
 
 Installation
diff --git a/app/main/templates/main/details.html b/app/main/templates/main/details.html
index 8df0ed6..b62a71f 100644
--- a/app/main/templates/main/details.html
+++ b/app/main/templates/main/details.html
@@ -14,37 +14,37 @@
     <table class="table table-hover table-condensed table-bordered">
         <thead>
             <tr>
-                <th>Year<br>&nbsp;</th>
-                <th>January<br>&deg;C</th>
-                <th>February<br>&deg;C</th>
-                <th>March<br>&deg;C</th>
-                <th>April<br>&deg;C</th>
-                <th>May<br>&deg;C</th>
-                <th>June<br>&deg;C</th>
-                <th>July<br>&deg;C</th>
-                <th>August<br>&deg;C</th>
-                <th>September<br>&deg;C</th>
-                <th>October<br>&deg;C</th>
-                <th>November<br>&deg;C</th>
-                <th>December<br>&deg;C</th>
+                <th class="col-md-1">Year<br>&nbsp;</th>
+                <th class="col-md-1">January<br>&deg;C</th>
+                <th class="col-md-1">February<br>&deg;C</th>
+                <th class="col-md-1">March<br>&deg;C</th>
+                <th class="col-md-1">April<br>&deg;C</th>
+                <th class="col-md-1">May<br>&deg;C</th>
+                <th class="col-md-1">June<br>&deg;C</th>
+                <th class="col-md-1">July<br>&deg;C</th>
+                <th class="col-md-1">August<br>&deg;C</th>
+                <th class="col-md-1">September<br>&deg;C</th>
+                <th class="col-md-1">October<br>&deg;C</th>
+                <th class="col-md-1">November<br>&deg;C</th>
+                <th class="col-md-1">December<br>&deg;C</th>
             </tr>
         </thead>
         <tbody>
            {% for temp in temps %}
                 <tr>
-                    <td>{{ temp[0]|int }}</td>
-                    <td>{{ temp[1]|round(2) }}</td>
-                    <td>{{ temp[2]|round(2) }}</td>
-                    <td>{{ temp[3]|round(2) }}</td>
-                    <td>{{ temp[4]|round(2) }}</td>
-                    <td>{{ temp[5]|round(2) }}</td>
-                    <td>{{ temp[6]|round(2) }}</td>
-                    <td>{{ temp[7]|round(2) }}</td>
-                    <td>{{ temp[8]|round(2) }}</td>
-                    <td>{{ temp[9]|round(2) }}</td>
-                    <td>{{ temp[10]|round(2) }}</td>
-                    <td>{{ temp[11]|round(2) }}</td>
-                    <td>{{ temp[12]|round(2) }}</td>
+                    <td>{{ temp[0] }}</td>
+                    <td>{{ temp[1][0] }}</td>
+                    <td>{{ temp[1][1] }}</td>
+                    <td>{{ temp[1][2] }}</td>
+                    <td>{{ temp[1][3] }}</td>
+                    <td>{{ temp[1][4] }}</td>
+                    <td>{{ temp[1][5] }}</td>
+                    <td>{{ temp[1][6] }}</td>
+                    <td>{{ temp[1][7] }}</td>
+                    <td>{{ temp[1][8] }}</td>
+                    <td>{{ temp[1][9] }}</td>
+                    <td>{{ temp[1][10] }}</td>
+                    <td>{{ temp[1][11] }}</td>
                 </tr>
        {% endfor %}
    </tbody>
diff --git a/app/main/utils.py b/app/main/utils.py
index a1fcdcd..e2ed19e 100644
--- a/app/main/utils.py
+++ b/app/main/utils.py
@@ -1,5 +1,3 @@
-import numpy
-
 from .models import DB
 
 
@@ -23,8 +21,7 @@ def avg_air_temp(temps):
 
 def ann_air_indices(temps):
     ATI, AFI = 0.0, 0.0
-    # TODO: drop numpy
-    indices = numpy.zeros((len(temps), 2), dtype='int')
+    indices = [[0 for x in range(2)] for y in range(len(temps))]
     months = [0.0 for m in range(12)]
     days = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
     i = 0
@@ -39,25 +36,27 @@ def ann_air_indices(temps):
                 ATI = ATI + ind
             else:
                 AFI = AFI + ind
-        indices[i, 0], indices[i, 1] = int(ATI), int(AFI)
+        indices[i][0], indices[i][1] = int(ATI), int(AFI)
         ATI, AFI = 0.0, 0.0
         i += 1
     return indices
 
 
 def avg_air_indices(indices):
-    # TODO: drop numpy
-    temp = numpy.average(indices, axis=0)
-    return (int(temp[0]), int(temp[1]))
+    year_counter, total_freezing, total_thawing = 0, 0, 0
+    for index in indices:
+        total_thawing += index[0]
+        total_freezing += index[1]
+        year_counter += 1
+    return (int(total_thawing / year_counter), int(total_freezing / year_counter))
 
 
 def des_air_indices(indices):
-    if indices.shape[0] > 2:
-        # TODO: drop numpy
-        ati = numpy.sort(indices[:, 0])
-        afi = numpy.sort(indices[:, 1])
-        dti = (ati[-1] + ati[-2] + ati[-3]) / 3.0
-        dfi = (afi[0] + afi[1] + afi[2]) / 3.0
+    if len(indices) > 2:
+        ati = sorted(indices, key=lambda arr: arr[0])
+        afi = sorted(indices, key=lambda arr: arr[1])
+        dti = (ati[-1][0] + ati[-2][0] + ati[-3][0]) / 3.0
+        dfi = (afi[0][1] + afi[1][1] + afi[2][1]) / 3.0
         return (int(dti), int(dfi))
     else:
         return (None, None)
diff --git a/app/main/views.py b/app/main/views.py
index 078fb82..4df4632 100644
--- a/app/main/views.py
+++ b/app/main/views.py
@@ -1,5 +1,3 @@
-from numpy import arange, hstack
-
 from flask import session, render_template, request, redirect, url_for
 
 from . import main
@@ -76,10 +74,7 @@ def details():
     community_id = request.args.get('community_id', '')
     minyear = request.args.get('minyear', '')
     maxyear = request.args.get('maxyear', '')
-    temps = getTemps(datasets, community_id, minyear, maxyear)
-    years = arange(int(minyear),
-                   int(maxyear)+1).reshape(int(maxyear)-int(minyear) + 1, 1)
-    temps = hstack((years, temps))
+    temps = getTemps(session)
     return render_template('main/details.html',
                            lat=request.args.get('lat', ''),
                            lon=request.args.get('lon', ''),