Monthly Mean Temperatures [tex]\left({ }^{\circ} F \right)[/tex] for St. Louis and San Francisco

\[
\begin{tabular}{|l|c|c|c|c|c|c|c|c|c|c|c|c|}
\hline
& \text{Jan} & \text{Feb} & \text{Mar} & \text{Apr} & \text{May} & \text{Jun} & \text{Jul} & \text{Aug} & \text{Sep} & \text{Oct} & \text{Nov} & \text{Dec} \\
\hline
\text{St. Louis} & 29.3 & 33.9 & 45.1 & 56.7 & 66.1 & 75.4 & 79.8 & 77.6 & 70.2 & 58.4 & 46.2 & 33.9 \\
\hline
\text{San Francisco} & 51.1 & 54.4 & 54.9 & 56.0 & 56.6 & 58.4 & 59.1 & 60.1 & 62.3 & 62.0 & 57.2 & 51.7 \\
\hline
\end{tabular}
\]

Certainly! Let's break down the provided data into monthly comparisons of mean temperatures for St. Louis and San Francisco.

### Monthly Mean Temperatures for St. Louis and San Francisco:

- January:
- St. Louis: 29.3°F
- San Francisco: 51.1°F

- February:
- St. Louis: 33.9°F
- San Francisco: 54.4°F

- March:
- St. Louis: 45.1°F
- San Francisco: 54.9°F

- April:
- St. Louis: 56.7°F
- San Francisco: 56.0°F

- May:
- St. Louis: 66.1°F
- San Francisco: 56.6°F

- June:
- St. Louis: 75.4°F
- San Francisco: 58.4°F

- July:
- St. Louis: 79.8°F
- San Francisco: 59.1°F

- August:
- St. Louis: 77.6°F
- San Francisco: 60.1°F

- September:
- St. Louis: 70.2°F
- San Francisco: 62.3°F

- October:
- St. Louis: 58.4°F
- San Francisco: 62.0°F

- November:
- St. Louis: 46.2°F
- San Francisco: 57.2°F

- December:
- St. Louis: 33.9°F
- San Francisco: 51.7°F

### Analysis and Observations:

1. Overall Range of Temperatures:
- St. Louis: The temperatures span from a low of 29.3°F in January to a high of 79.8°F in July.
- San Francisco: The temperatures are more moderate, ranging from 51.1°F in January to 62.3°F in September.

2. Seasonal Variations:
- St. Louis: Displays a significant variation throughout the year, from colder winters to hot summers.
- San Francisco: Exhibits a relatively stable and mild climate throughout the year, with temperatures not varying as drastically as in St. Louis.

3. Monthly Temperature Patterns:
- In most months, San Francisco has higher temperatures compared to St. Louis in the winter.
- For example, in January, San Francisco (51.1°F) is much warmer than St. Louis (29.3°F).
- During summer, St. Louis experiences higher temperatures.
- For instance, in July, St. Louis (79.8°F) is much hotter than San Francisco (59.1°F).

4. Mildest and Warmest Months:
- Mildest Month in St. Louis: January (29.3°F).
- Warmest Month in St. Louis: July (79.8°F).
- Mildest Month in San Francisco: January (51.1°F).
- Warmest Month in San Francisco: September (62.3°F).

### Conclusion

By observing these temperatures, we can conclude that St. Louis has a more varied climate with distinct, colder winters and hot summers, while San Francisco maintains a consistently mild climate throughout the year, with less extreme variations in temperature.

If further analysis is needed, we can look into how these temperature variations affect other factors like rainfall, humidity, and overall weather patterns in both cities.